Why Us

Detection, suppression, and controls system manufacturers in the U.S., Europe, and Asia use S.O. Sales to reduce piece price and optimize inventory levels on critical custom components. We eliminate the difficulties of outsourcing complex manufacturing and help you deliver your system under budget and ahead of schedule.

Sourcing Areas of Specialization

Service Oriented Sales has been working with engineers for over 25 years to provide tight tolerance, precision OEM parts. This has tailored, but not limited us to, temperature sensing, fire protection, suppression and explosion prevention across all fields of applications.

    • Solenoids

      • DC Solenoids-open frame

      • DC Solenoids- enclosed

      • Self Latching Solenoids

      • Tubular Solenoids

      • Push-pull Solenoid

      • Rotary Solenoids

      Solenoids are available in standard and custom design.

      **Important design considerations on all solenoids are pull force, duty cycle/Stroke and operating voltage.**


    • Valves

      Custom built valves for the fire suppression industry are suited for use across environments such, a petro-chemical, gas, power station, paper & pulp, 

pharmacy, hygienic food, brewing, chemical, auto & motorcycle, utilities.

      Ball / Gate / Globe / Check / Butterfly / Knife Gate / Diaghram / Needle / Y Strainer / Fitting

    • Cast Metals

      Die Casting:

      Best suited for small to medium size parts with higher volume requirements. 

      100% recyclable material in some applications. Cast parts are preferred over plastic because they offer better strength, tolerate higher temperatures, and have a lower impact on the environment.

      Advantages include minimal secondary finishing operations, high production runs, economical, tighter tolerances, thin walls, and consistency.

      Disadvantages for die cast parts are weight (less than 30 grams/1oz) and size restrictions (24 inches/600mm), high initial costs, and some material limitations.

      Best suited materials are copper, lead, aluminum, zinc, and tin based alloys

      Investment Casting:

      Best suited for parts that are small, include intricate design, and demand high reliability.

      Advantages are accuracy, consistency, tight tolerances, thin walls, finished appearance, complex shapes, variety of alloys, and low material waste.

      Disadvantages are increased piece price due to additional manufacturing processes, individual patterns required for each casting (increase tooling costs), and limited dimensions.

      Most commonly used alloys are carbon, tool and alloy steel, and multiple grades of Stainless steel.

      Sand Casting:

      Best suited for parts that are simple in design and may be a large size

      Advantages include low cost molds, low cost piece price, larger parts, and it produces less waste since material can be added to next run.

      Disadvantages include surface finish, limited wall thickness, decreased tolerances, and lower porosity.

      Common materials are aluminum alloys, brass alloys, cast iron and cast steel.

    • Forging

      • Best suited to applications where tensile strength, ductility, impact and fracture toughness, along with material fatigue, are important.

      • Advantages include optimal grain flow. Forged parts are free from internal voids and porosity that may be found in cast parts. The main characteristic of a forged part is integrity of the part.

      • Other advantages include near net shape and require less secondary processes.

      • Forged parts also generate very little scrap material.

      • This process is advantageous in any applications that involve safety issues including aerospace, automotive, valves, and fire suppression.

      • Disadvantages can be higher tooling cost, reduced tolerances, and higher piece price on low volumes.

    • Finishes

      Powder coat, paint, e-coat, black anodize, black oxide, polish, buff, flat, shine, anodize, silk screen, electroplate, chromate, passivate, nickel plate, electroless nickel plating,

      These processes are controlled to offer the highest quality parts to market.

    • Machining

      Precision machining is paramount in industries demanding tight tolerances. S.O. Sales has been a top tier supplier for over 30 years.

    • Transformers

      Built to meet Agency Standards including UL, CSA, IEC-65, BS-415, SEMKO and VDE. Typical Applications include power supplies, telecom, LAN, lighting, industrial electronics. Transformers are manufactured in China, Thailand, Indonesia, Taiwan and Singapore.

      • Core sizes include EI 35 thru 66.

      • Both single or dual primaries are available.

      • Both custom and standard transformers are available.

We Take Care of Everything

Product Creation Quality Control Logistics On-time Deliveries

Customer Testimonials

″ SO Sales has been supplying quality products on time for the last 30 years to Kidde Fenwal, now a division of United Technology. As a strategic sourcing manager, I have visited their factories in China and Taiwan and was extremely pleased with their process control and technical capabilities. There are very few global sourcing agents in the U.S. that can assist companies source overseas. I recommend them highly and you will be able to see for yourself. ″

Donald J. Pacheco
Supply Chain Manager
United Technologies
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