Agencies › Department of the Interior › NAICS 236220

Department of the Interior (DOI): NAICS 236220 — Commercial and Institutional Building Construction

6open solicitations

$442.4Mobligated in FY2026

382contracts ending within 18 months

Open solicitations

Y--Industry Day - TIMU Fort Caroline MemorialNPS · Unrestricted (full and open) · Due 07 October 2026
Y--Provide General Construction Services - CHCHNPS · SBA Certified Women-Owned Small Business (WOSB) Program Set-Aside (FAR 19.15) · Due 09 October 2026
Y--Construct North Unit Visitor Center at BADLNPS · Unrestricted (full and open) · Due 15 October 2026
Z--DENA 332037 Eielson Roof ReplacementNPS · Small Business Set Aside - Total · Due 15 October 2026
Y--BLM-CO GAOA UFO MPLC WAREHOUSE IMPROVEMENTBLM · Small Business Set Aside - Total · Due 23 October 2026
DINO REPLACE SWING ARM GATESNPS · Unrestricted (full and open) · Due 30 October 2026

How DOI NAICS 236220 spends

FY2021$262.0M

FY2022$878.2M

FY2023$723.7M

FY2024$790.8M

FY2025$653.6M

FY2026$442.4M

FY2027*$56K

Contract obligations by federal fiscal year (October–September), from USASpending.gov award data. IDIQ ceilings are excluded. * The current year is partial, and USASpending lags 4–8 weeks.

DOI NAICS 236220 contracts expiring in the next 18 months

382 contracts worth $1.7B.

Incumbent	Buyer	What	Value	Ends	Est. solicitation	Record
NOMLAKI TECHNOLOGIES, LLC	NPS	236220 Commercial and Institutional Building Construction	$13.8M	06 October 2026	Now / imminent	USASpending
RJS CONSTRUCTION INC	Bureau of Indian Affairs and Bureau of Indian Education	236220 Commercial and Institutional Building Construction	$1.2M	07 October 2026	Now / imminent	USASpending
GUARDIAN DB SERVICES,LLC	U.S. Fish and Wildlife Service	236220 Commercial and Institutional Building Construction	$416K	08 October 2026	Now / imminent	USASpending
ATHERTON CONSTRUCTION LLC	BLM	236220 Commercial and Institutional Building Construction	$17.8M	09 October 2026	Now / imminent	USASpending
BAIRCO CONSTRUCTION INC	NPS	236220 Commercial and Institutional Building Construction	$1.8M	09 October 2026	Now / imminent	USASpending
KEE SOLUTIONS LLC	U.S. Fish and Wildlife Service	236220 Commercial and Institutional Building Construction	$1.8M	11 October 2026	Now / imminent	USASpending
REILLY CONSTRUCTION INC	NPS	236220 Commercial and Institutional Building Construction	$58K	12 October 2026	Now / imminent	USASpending
TERRA SITE CONSTRUCTORS LLC	NPS	236220 Commercial and Institutional Building Construction	$11.4M	15 October 2026	Now / imminent	USASpending
HAMILTON PACIFIC CHAMBERLAIN LLC	NPS	236220 Commercial and Institutional Building Construction	$214K	15 October 2026	Now / imminent	USASpending
NATIONAL NATIVE AMERICAN CONSTRUCTION, INC.	NPS	236220 Commercial and Institutional Building Construction	$71K	16 October 2026	Now / imminent	USASpending
AAECON GENERAL CONTRACTING LLC	U.S. Fish and Wildlife Service	236220 Commercial and Institutional Building Construction	$669K	18 October 2026	Now / imminent	USASpending
SNODGRASS CONTRACTING LLC	Departmental Offices	236220 Commercial and Institutional Building Construction	$2.9M	20 October 2026	Now / imminent	USASpending
NAIR CONTRACTING GROUP, LLC	U.S. Fish and Wildlife Service	236220 Commercial and Institutional Building Construction	$494K	20 October 2026	Now / imminent	USASpending
MFS CONSTRUCTION LLC	U.S. Fish and Wildlife Service	236220 Commercial and Institutional Building Construction	$5.0M	22 October 2026	Now / imminent	USASpending
AMES 1, LLC	NPS	236220 Commercial and Institutional Building Construction	$935K	22 October 2026	Now / imminent	USASpending

Contracts and task orders from USASpending.gov (FPDS) whose period of performance ends within 18 months, valued at $25K or more, excluding IDIQ ceilings and government-owned, contractor-operated facility contracts. Co-terminous orders from the same vendor, agency, NAICS and PSC ending in the same month are grouped. The solicitation date is an estimate (about six months before the contract ends): FedSift does not know whether a follow-on has been posted, so check SAM.gov.

NAICS 236220 across every agency → · Everything DOI has open →