INSCO is a group of specialty distributorships representing recognized leading manufacturers of technically engineered products and services used in the transfer, control, and sealing of fluids and gases.

We represent a broad range of process products and an extensive inventory of products available for immediate shipment to our customers.  A list of markets served are as follows:

For more information about individual business units, products, and services:
  • D.L. Thurrott Air- Distributor of compressed air products and services.
  • D.L. Thurrott, Inc. - Distributor of pump products and services.
  • Niantic Seal, Inc. - Distributor of seals and rubber products, hose assemblies, engineered gaskets and thermal management solutions.
  • Corrosion Products, Inc - Distributor of corrosion resistant non-metallic products.
  • CPI Controls - Distributor of industrial automated valves, specialty piping, controls, and pressure-management equipment
  • Anchor Pump - Distributor of pump products and services.
  • Locations - Details on all of the INSCO Group's offices, including addresses, directions, and phone numbers.


INSCO's business units and direct field sales organization are defined by product group and further specialized by market to drive service excellence in support of a highly diverse and demanding customer base. This structure assures our clients receive "best in class" application and product expertise from a highly trained, educated and motivated team of professionals.

Solutions Provider

We strive to be a valued and strategic "go to" resource in support of our customer's operations. Along with in-depth knowledge and expertise for our product and service offering, we understand your industry, process operations, and critical requirements to act as a strategic partner along side our customers to offer trouble free and cost efficient value added solutions.

Quality Commitment

INSCO's operations are fully supported by Total Quality Management (TQM) principles adopted in1989 with the formal implementation of Philip B. Crosby's quality process. 

Our engrained culture for quality improvement continues to evolve with the addition of ISO 9001:2008 certification and ITAR compliant systems.

Our quality statement is as follows:

“Quality is a State of Mind” is the INSCO Group core philosophy. We strive to continually improve our staff and processes while remaining competitive and meeting or exceeding our customer’s expectations.

To download our ISO certificate:

INSCO Team Members

Every INSCO team member fully understands that our ability to continually create value on behalf of our customers is what ultimately determines our long term success. To that end, we seek out career minded individuals with a desire to excel in a team environment that is customer centric. Our team of professionals are fully supported by continual education and training in a performance driven environment.

Customer Service Excellence

By combining a dedicated and motivated employee group with leading brand products, advanced operational systems and progressive management, we are best positioned to earn the trust of our customers on a daily basis to jointly meet the challenges faced in today's rapidly changing business environment.

Our commitment to customer service excellence is best described by our simple, yet powerful corporate motto: Exceptional Performance. Delivered.


We encourage you to experience the INSCO value advantage that our current customers enjoy and welcome the opportunity to earn your trust.