Hill Brothers Chemical Company

Phoenix, AZ

UEI
JJ2LAV3RTLX7
CAGE
3U645
Primary NAICS
424690 Other Chemical and Allied Products Merchant Wholesalers
SAM.gov registration
Active through

Company facts

Self-certified in SAM.gov
  • For Profit Organization
  • Manufacturer of Goods
Entity structure
Corporate Entity (Not Tax Exempt)
Corporate family
SAM.gov registration date
Physical address
4450 N 42nd Ave, Phoenix, AZ 85019, USA
Founded
1923
Employees
51-250
Estimated annual revenue
$10M-$50M
Industry
  1. Materials
  2. Chemicals
  3. Commodity Chemicals
SIC code
73 Business Services
Profiles

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date $0
FY2026 $252,884
FY2025 $469,556
FY2024 $638,138
FY2023 $719,506

Top agencies by obligations

Rank Agency Obligated, FY2026–FY2027 Share
1 Department of the Interior $252,884

Contract awards

Latest 5 listed here. See the rest on GovTribe.

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About the company

Hill Brothers Chemical Company Phoenix Division, doing business as Hill Brothers Chemical, manufactures and supplies water and wastewater treatment chemicals to the Department of the Interior as a prime contractor under small-business set-asides and unrestricted procurement, with $18 million in combined potential value across 106 awards over the past five years. A small-business manufacturer based in Phoenix, Arizona, Hill Brothers Chemical competes predominantly under total small business set-asides on its parent IDIQs and BPAs, though individual delivery orders and calls against those vehicles frequently carry no set-aside designation.

Hill Brothers Chemical's federal capability is narrowly focused on bulk chemical supply to water infrastructure. The company manufactures and delivers chlorine gas, sodium hypochlorite, sodium bisulfite, aluminum chloride polymer, ferric sulfate, hydrated lime, sulfuric acid, anhydrous ammonia, magnesium hydroxide, and ascorbic acid to Interior Department facilities. Concrete examples include a $1.8 million indefinite-delivery contract (total small business set-aside, awarded February 2025, running through January 2030) with the Bureau of Reclamation for bulk chemical delivery to the Yuma Desalting Plant, which has generated three delivery orders to date — $131,745 (February 2025), $108,713 (August 2025), and $153,570 (August 2026) — all small-business set-asides with completion dates ranging through January 2027; a $1,099,160 single-award BPA (no set-aside, awarded April 2026, running through May 2029) with the National Park Service Intermountain Region for water and wastewater chemicals serving Grand Canyon National Park's South Rim and four treatment plants; and a $1 million single-award BPA (no set-aside, awarded April 2022, running through April 2027) also with NPS Intermountain Region for Grand Canyon chemical supply, from which BPA calls have ranged from $53,846 to $248,842 per order since April 2022.

Customer concentration is extreme and Interior-centric. The Department of the Interior Bureau of Reclamation (35 awards, $10.4 million combined potential value) and the National Park Service Intermountain Region (45 awards, $7.2 million combined potential value) together account for 87% of all awards and 99% of combined potential value. The top five customer agencies (including Department of Agriculture Animal and Plant Health Inspection Service Plant Protection and Quarantine at $76 thousand, the International Boundary and Water Commission at $68 thousand, and the Marine Corps at $65 thousand) represent negligible exposure beyond Interior's water agencies. Hill Brothers Chemical holds four named parent vehicles: a $1.8 million Bureau of Reclamation IDIQ for Yuma Desalting Plant bulk chemicals (3 task orders), a $500,000 Bureau of Reclamation IDIQ for Yuma Area Office bulk chemicals (5 task orders, all firm fixed price despite the parent vehicle's total small business set-aside), the $1,099,160 NPS Intermountain Region BPA for Grand Canyon chemicals (31 task orders), and the $1 million NPS Intermountain Region BPA for Grand Canyon chemicals (15 task orders). BPA call volumes under the two National Park Service vehicles run to 31 and 15 task orders respectively, indicating steady recurring demand for chemical resupply.

Activity has declined modestly. Awards per year dropped from 6 (2022–2023) to 4 (2024) and recovered slightly to 5–3 (2025–2026), suggesting flat or slightly declining work volume. Only 2 awards carrying $383 thousand combined potential value reach ultimate completion inside the next twenty-four months, creating minimal recompete exposure in the near term. The vendor operates exclusively as a prime contractor (100% of awards); no subcontract footprint is present in the source data. Hill Brothers Chemical Company is the parent entity; the Phoenix Division operates as a child entity under the same parent. NAICS concentration falls on inorganic chemical manufacturing (48 awards under NAICS 325180 and related codes), with secondary exposure to chemical merchant wholesaling (24 awards); PSC coding centers overwhelmingly on Chemicals (98 of 101 awards).

Quick answers

Is Hill Brothers Chemical Company registered in SAM.gov?

Yes. Hill Brothers Chemical Company's SAM.gov registration is active through December 30, 2026.

How much has Hill Brothers Chemical Company received in federal contracts?

Federal contracts obligated $469,556 to Hill Brothers Chemical Company in fiscal year 2025 and $2,080,084 in fiscal years 2023 through 2027.

How does Hill Brothers Chemical Company rank among federal contractors?

Hill Brothers Chemical Company ranked #23 in NAICS 32518, #48 in PSC 6810 and #68 in NAICS 3251 in FY2025.

What is Hill Brothers Chemical Company's most recent federal award?

Hill Brothers Chemical Company's most recent federal contract award is YAO bulk chemical delivery - do#04 (140R3026F0058), from Bureau of Reclamation, on August 1, 2026.

On GovTribe

See Hill Brothers Chemical Company's full federal record

  • Federal contract awards
  • IDV awards
  • Funding analysis by agency, NAICS and set-aside
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