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Department of the Interior Awarded a Contract to STRONGHOLD ENGINEERING INC for $215,080,969.00

Signed on

3/14/2023, 12:00 AM

STRONGHOLD ENGINEERING INC Government Contract #140P2023C0001

STRONGHOLD ENGINEERING INC was awarded a contract with the United States Government for $215,080,969.00. The contract was awarded by the agency office DSC CONTRACTING SERVICES DIVISION, which is a division with the National Park Service within the Department of the Interior.

Summary of Award

The recipient of the federal contract is Stronghold Engineering Inc, based in Riverside, California. They are awarded a contract worth $215,080,969 by the National Park Service to improve the potable water supply at Grand Canyon National Park. The contract is for construction of a water distribution pipeline.

Contract Details

Contract ID140P2023C0001
Contract TypeD
Total Obligation$215,080,969.00
Exercised Options$215,080,969.00
Base Amount + Options$215,080,969.00
Date Signed2023-03-14
Contract DescriptionGRCA 190083 / 250176 - IMPROVE POTABLE WATER SUPPLY TO INNER-CANYON AND SOUTH RIM, TRANS-CANYON WATER DISTRIBUTION PIPELINE, GRAND CANYON NATIONAL PARK, AZ
Start Date2023-03-14
End Date2027-02-08

Agency Details

Awarding AgencyDepartment of the Interior
Awarding Sub AgencyNational Park Service
Awarding OfficeDSC CONTRACTING SERVICES DIVISION
Funding AgencyDepartment of the Interior
Funding Sub AgencyNational Park Service
Funding OfficeDSC CONTRACTING SERVICES DIVISION

Recipient Details

RecipientSTRONGHOLD ENGINEERING INC
Recipient Location150 W WALNUT AVE PERRIS CALIFORNIA, UNITED STATES
Business CategoriesAsian Pacific American Owned Business, Category Business, Minority Owned Business, Not Designated a Small Business, Special Designations, Subchapter S Corporation, U.S.-Owned Business, Woman Owned Business

Comments

Award Transactions

Transaction #P00029$78,332.00November 12, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $78,332.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00028$0.00October 14, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00027$143,208.00August 18, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $143,208.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00026$0.00May 9, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00025$3,755,050.00May 3, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $3,755,050.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00024$292,742.00April 24, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $292,742.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00023$1,348,243.00March 24, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $1,348,243.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00022$0.00January 30, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00021$345,844.00January 14, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $345,844.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00020$0.00December 19, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00019$49,610.00September 4, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $49,610.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00018$0.00August 7, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00017$0.00July 19, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00016$148,704.00July 8, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $148,704.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00015$102,419.00May 22, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $102,419.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00014$518.00April 29, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $518.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00013$0.00March 21, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00012$0.00December 13, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00011$38,859.00December 6, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $38,859.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00010$12,404.00December 4, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $12,404.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00008$84,296.00November 7, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $84,296.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00009$0.00November 7, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00007$254,929.00September 5, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $254,929.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00006$416,526.00August 24, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $416,526.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00005$42,368.00July 27, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $42,368.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00004$0.00July 26, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00003$94,939.00May 1, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $94,939.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00002$114,059.00April 19, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $114,059.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00001$0.00April 13, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #0$207,979,459.00March 14, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $207,979,459.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00030$0.00November 13, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00029$78,332.00November 12, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $78,332.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00028$0.00October 14, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00027$143,208.00August 18, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $143,208.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00026$0.00May 9, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00025$3,755,050.00May 3, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $3,755,050.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00024$292,742.00April 24, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $292,742.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00023$1,348,243.00March 24, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $1,348,243.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00022$0.00January 30, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00021$345,844.00January 14, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $345,844.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00020$0.00December 19, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00019$49,610.00September 4, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $49,610.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00018$0.00August 7, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00017$0.00July 19, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00016$148,704.00July 8, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $148,704.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00015$102,419.00May 22, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $102,419.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00014$518.00April 29, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $518.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00013$0.00March 21, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00012$0.00December 13, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00011$38,859.00December 6, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $38,859.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00010$12,404.00December 4, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $12,404.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00009$0.00November 7, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00008$84,296.00November 7, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $84,296.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00007$254,929.00September 5, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $254,929.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00006$416,526.00August 24, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $416,526.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00005$42,368.00July 27, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $42,368.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00004$0.00July 26, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00003$94,939.00May 1, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $94,939.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00002$114,059.00April 19, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $114,059.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00001$0.00April 13, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #0$207,979,459.00March 14, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $207,979,459.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00032$1,662,991.00February 6, 2026

National Park Service, a sub agency of Department of the Interior, issued a payment of $1,662,991.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00031$0.00November 20, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00030$0.00November 13, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00029$78,332.00November 12, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $78,332.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00028$0.00October 14, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00027$143,208.00August 18, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $143,208.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00026$0.00May 9, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00025$3,755,050.00May 3, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $3,755,050.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00024$292,742.00April 24, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $292,742.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00023$1,348,243.00March 24, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $1,348,243.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00022$0.00January 30, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00021$345,844.00January 14, 2025

National Park Service, a sub agency of Department of the Interior, issued a payment of $345,844.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00020$0.00October 18, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00019$49,610.00September 4, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $49,610.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00018$0.00August 7, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00017$0.00July 19, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00016$148,704.00July 8, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $148,704.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00015$102,419.00May 22, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $102,419.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00014$518.00April 29, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $518.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00013$0.00March 21, 2024

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00012$0.00December 13, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00011$38,859.00December 6, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $38,859.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00010$12,404.00December 4, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $12,404.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00008$84,296.00November 7, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $84,296.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00009$0.00November 7, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00007$254,929.00September 5, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $254,929.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00006$416,526.00August 24, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $416,526.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00005$42,368.00July 27, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $42,368.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00004$0.00July 26, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00003$94,939.00May 1, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $94,939.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00002$114,059.00April 19, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $114,059.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

Transaction #P00001$0.00April 13, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $0.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #0$207,979,459.00March 14, 2023

National Park Service, a sub agency of Department of the Interior, issued a payment of $207,979,459.00 to STRONGHOLD ENGINEERING INC. The payment included a Subsidy Cost of $0.00.