Skarshaug Testing Laboratory, Inc



Family Run

Since 1950 Established in 1950 by Safety Pioneer, Paul Skarshaug, STL remains family owned and operated after 60 years.
Testing Hub of the Nation

Centrally located in Ames, Iowa, in a new state-of-the-art facility, STL remains a hi-voltage testing hub, serving customers in all 50 states and abroad.
First NAIL

Accredited Lab A charter member of the Association of North American Independent Laboratories for Protective Equipment Testing (NAIL for PET), STL becomes the first NAIL accredited lab in 1982.
Leader in the Field

For half a century, STL is a leader in developing standards and procedures through participation in the American National Standards Institute (ANSI), the American Society for Testing and Materials (ASTM), and NAIL
New Sales & In-Service Cleaning & Testing of:
  • Electrical Rubber Gloves & Sleeves
  • Cover-up Gear (Blankets, Hose, Hoods, etc.)
  • Live Line Tools (Hot Sticks, Rescue Hooks)
  • Insulated Tools
Testing Services
STL has been in business 60 years, and employs well-trained, experienced test technicians. (Our glove and sleeve lab technicians average over 15 years of experience.)

Top Equipment
STL uses state-of-the-art test equipment from suppliers such as Hanco International and Phenix Technologies along with Skarshaug glove inflators and sleeve expanders for visual inspection.

Attention to Detail
All items returned to customers are cleaned, visually inspected, and electrically tested. Items failing test and inspection (rejects) are clearly marked and returned to customer, unless local disposal is authorized

Individual Test Records
Every item is individually tracked at the laboratory. Gloves and sleeves are individually ID-labeled. Other tested items are given individual test numbers.

Individual tracking allows us to:
  • Identify ownership of items tested
  • Provide detailed itemized test reports
  • Maintain reliable test records.
All items are identified with the test date, the test voltage, and the name of our laboratory.
Replacement of Rejects & New Orders
Replacement service on rejected items--even odd-hand gloves and sleeves--is available if authorized by the customer. STL stocks a very full inventory of most of the common items used, and can special order nearly any items currently manufactured by the leading names in the industry

Hot Stick, Hoist, Jumpers, & Grounds Shop
STL has it's own hot-stick & hoist repair and test shop to perform in-house repair, refinishing, and certification of hot-sticks and hoists from most of the leading manufacturers, including A.B. Chance, Hastings, Hook, Little Mule, and Salisbury.  Assembly, testing, and repair of protective and insulated jumpers and personal protective grounds is also available.








505 South Bell Ave
Ames, Iowa 50010
United States of America

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