GETWAB

02 / Market Size

How large is the NAICS 423720 federal market?

Net obligations$12.24M
Contract actions790
Vendors222
Federal customers31
Contracting offices173
Average action$15.5K
Largest action$261.5K
Data coverageFY 2020–FY 2026

03 / Spending Trend

NAICS 423720 contract spending by fiscal year

Annual obligations, activity, and participation across the same FY 2020–FY 2026 profile window.

Latest closed fiscal year$1.69M
FY 2026
Fiscal yearObligationsActionsVendorsCustomersChange
FY 2020$1.80M1196616—
FY 2021$1.99M1295815+10.4%
FY 2022$1.62M2124915−18.2%
FY 2023$1.76M1105816+8.7%
FY 2024$1.81M694615+2.6%
FY 2025$1.57M734413−13.4%
FY 2026$1.69M784614+8.1%

04 / Top Federal Customers

Which federal agencies buy most in this industry?

Ranked by net obligations during FY 2020–FY 2026.

Federal customerCodeObligationsActionsVendorsMarket share
FEDERAL PRISON SYSTEM / BUREAU OF PRISONS1540$4.55M1376437.2%
SMITHSONIAN INSTITUTION3300$1.60M1764013.1%
STATE, DEPARTMENT OF1900$1.42M1193311.6%
U.S. COAST GUARD7008$1.21M66359.9%
DEPT OF THE AIR FORCE5700$1.02M19138.3%
VETERANS AFFAIRS, DEPARTMENT OF3600$710.1K2785.8%
DEFENSE LOGISTICS AGENCY97AS$323.4K24152.6%
DEPT OF THE ARMY2100$222.2K331.8%
ENVIRONMENTAL PROTECTION AGENCY6800$193.6K321.6%
MARITIME ADMINISTRATION6938$126.1K531.0%

05 / Contracting Offices

Which contracting offices buy in NAICS 423720?

Ranked by net obligations during FY 2020–FY 2026.

06 / Top Vendors

Which contractors lead the NAICS 423720 market?

VendorObligationsActionsCustomersMarket shareLatest activity
FERGUSON ENTERPRISES, LLC$713.3K4955.8%May 20, 2026
MISCELLANEOUS FOREIGN AWARDEES$583.2K5434.8%Aug 31, 2026
WATER HEATER DISTRIBUTORS, LLC$470.3K1323.8%Aug 18, 2026
JOHNSON CONTROLS BUILDING AUTOMATION SYSTEMS, LLC$424.2K413.5%Oct 7, 2025
LEWIS - SMITH CORPORATION$276.7K312.3%Sep 18, 2025
PIEDMONT PUMP AND PRODUCT, INC.$258.7K822.1%Apr 9, 2026
THOS. SOMERVILLE CO.$224.8K2921.8%Sep 6, 2024
DELVAL EQUIPMENT CORPORATION$213.5K411.7%Mar 17, 2023
KOVAL BUILDING AND PLUMBING COMPANY$212.2K811.7%May 31, 2022
PYRO COMBUSTION AND CONTROLS, INC.$211.8K111.7%Nov 22, 2021

07 / Product and Service Mix

What products and services are purchased under NAICS 423720?

PSCDescriptionObligationsActionsVendorsShare
4510PLUMBING FIXTURES AND ACCESSORIES$3.42M2207127.9%
4520SPACE AND WATER HEATING EQUIPMENT$2.75M884822.5%
4410INDUSTRIAL BOILERS$649.0K20135.3%
J041MAINT/REPAIR/REBUILD OF EQUIPMENT- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT$485.6K524.0%
J045MAINT/REPAIR/REBUILD OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT$443.2K29143.6%
4610WATER PURIFICATION EQUIPMENT$307.9K1492.5%
5680MISCELLANEOUS CONSTRUCTION MATERIALS$278.9K652.3%
4120AIR CONDITIONING EQUIPMENT$247.1K662.0%
4420HEAT EXCHANGERS AND STEAM CONDENSERS$192.9K971.6%
4320POWER AND HAND PUMPS$185.1K16101.5%

08 / Buying Pattern

How does the government buy in NAICS 423720?

Competed under SAP45.8%362 actions
Other / unknown40.3%318 actions
Not available for competition10.6%84 actions
Competed2.7%21 actions
Not competed0.4%3 actions
Not competed under SAP0.3%2 actions
Other than small business share88.7%$10.86M
Small business share11.3%$1.38M
Common action typeObligationsActions
PURCHASE ORDER$11.85M762
DEFINITIVE CONTRACT$228.6K21
BPA CALL-$19.9K5
DELIVERY ORDER$182.4K2

09 / Recent Contract Awards

What was awarded most recently in NAICS 423720?

10 / Market Interpretation

How should contractors evaluate this market?

01

Start with the spending direction

Compare annual obligations with actions and vendor participation. Growth driven by only a few large actions represents a different opportunity from broad, recurring demand.

02

Follow the actual buyers

Move from federal customers to contracting offices. Offices reveal where acquisition responsibility and recurring purchasing activity are concentrated.

03

Measure accessible demand

Use competition, small-business participation, incumbent vendors, and PSC mix before treating the full $12.24M market as addressable.