STS Operating Inc.

Northborough, MA Doing business as Sunsource The Hope Group Part of STS Operating, Inc.

UEI
GEZPNX8Q2RM3
CAGE
8FWG4
Primary NAICS
423830 Industrial Machinery and Equipment Merchant Wholesalers
SAM.gov registration
Active through

Company facts

Self-certified in SAM.gov
  • For Profit Organization
Entity structure
Corporate Entity (Not Tax Exempt)
NAICS codes registered in SAM.gov
Show all
Corporate family
SAM.gov registration date
Physical address
70 Bearfoot Rd, Northborough, MA 01532, USA
Website
thehopegroup.com
Founded
1933
Employees
51-250
Estimated annual revenue
$10M-$50M
Industry
  1. Industrials
  2. Capital Goods
  3. Machinery
  4. Industrial Machinery
SIC code
50 Wholesale Trade – Durable Goods
Profiles

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

Recent federal awards

STS Operating Inc.'s 5 most recent federal contract and grant awards, newest first. Amounts are dollars obligated.
Award Agency Obligated Awarded
Cylinder block scoring Contract · 70Z02426PBOST0111 Coast Guard $0
N421585226C034- elbow 45 degree Contract · SPMYM125P1548 Land and Maritime $7,395
N421585209B100- elbow assembly Contract · SPMYM125P1326 Land and Maritime $3,381
HPU hose assembly Contract · N6660424P0535 Naval Sea Systems Command $48,414
N421582119B493 - packing assembly Contract · SPMYM122P1977 Land and Maritime $1,482

About STS Operating Inc.

Written by GovTribe AI ·

STS Operating Inc., The Hope Group Division, operating under the trade name Sunsource, is a Massachusetts-based for-profit manufacturing entity specializing in industrial motion and control solutions for defense and aerospace applications. The company, registered with SAM.gov since December 2019, serves as a subsidiary of The Hope Group and has established itself as a capable supplier of critical components to the Department of the Navy and Department of the Army. STS Operating Inc. brings substantial experience in supplying specialized assemblies and components to naval and defense systems, with an established track record supporting complex military platforms through both prime contract and subcontract relationships with major defense contractors.

STS Operating Inc. has demonstrated considerable expertise across multiple product categories through its federal contract awards. The company has supplied hydraulic assemblies, including 2,500 PSI hydraulic cylinder assemblies in support of the Terminal High Altitude Area Defense (THAAD) system, heat exchanger coolers for military equipment, and specialized hose and connector assemblies such as elbow assemblies and HPU hose assemblies. Prime contract awards have been issued by the Naval Sea Systems Command (NAVSEA) for component purchases including a 45-degree elbow component valued at $7,395.12 and various hose assemblies, with work performed in Portsmouth, Virginia, as well as at the company's Northborough, Massachusetts facility. The company also received delivery orders from the Department of the Army Materiel Command Contracting Command at Redstone Arsenal in support of THAAD production at Letterkenny Army Depot. Additionally, STS Operating Inc. has served as a subcontractor to major defense prime contractors including Raytheon Company, Rolls-Royce Marine North America Inc., Electric Boat Corporation, and others, providing fabricated plastic and rubber components, hydraulic assemblies, heat exchangers, fasteners, and engineering support services. No small business set-asides were designated for the company's recent prime awards, reflecting its competitive positioning in the open federal marketplace.

STS Operating Inc. holds a single Indefinite Delivery Contract with the Department of the Army Materiel Command Contracting Command at Redstone Arsenal, valued at $1,697,792 with an ultimate completion date of April 14, 2025. This IDV was awarded on April 15, 2021, and covers the supply of heat exchanger coolers and hydraulic cylinder assemblies in support of the Terminal High Altitude Area Defense program at Letterkenny Army Depot. Under this IDV, the company has received multiple delivery orders totaling over $1.4 million, including a $308,144 delivery order for heat exchanger coolers awarded May 9, 2022, and a $1,027,248 delivery order for 2,500 hydraulic cylinder assemblies awarded January 31, 2022. The company also holds at least one additional IDV valued at $1,267,543.60 supporting similar THAAD program requirements. All work under these IDVs is performed at the company's Northborough, Massachusetts facility without set-aside designations, positioning STS Operating as a full and open competitor in the Army's critical air and missile defense supply chain.

Quick answers

What is STS Operating Inc.'s UEI?

STS Operating Inc.'s Unique Entity ID (UEI) in SAM.gov is GEZPNX8Q2RM3.

What is STS Operating Inc.'s CAGE code?

STS Operating Inc.'s CAGE code is 8FWG4.

What is STS Operating Inc.'s primary NAICS code?

STS Operating Inc.'s primary NAICS code is 423830 (Industrial Machinery and Equipment Merchant Wholesalers).

Where is STS Operating Inc. located?

STS Operating Inc.'s physical address in SAM.gov is 70 Bearfoot Rd, Northborough, MA 01532, USA.

Is STS Operating Inc. registered in SAM.gov?

Yes. STS Operating Inc.'s SAM.gov registration is active through September 23, 2027.

Who is STS Operating Inc.'s parent company?

STS Operating Inc. is part of STS Operating, Inc.

What is STS Operating Inc.'s most recent federal award?

STS Operating Inc.'s most recent federal contract award is Cylinder block scoring (70Z02426PBOST0111), from Coast Guard, on May 14, 2026.

On GovTribe

See STS Operating Inc.'s full federal record

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