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QuestSub

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At a glance

Employee size
2-10
Organization type
Privately Held
Founded
2018

About

Founded in Philadelphia in 2019, QuestSub makes spearfishing and freediving gear, including modular fins and carbon blades, for underwater explorers. The company draws on two decades of product-design and manufacturing experience, using European and American materials and testing its equipment with professional freedivers and spearfishermen in ocean and freshwater conditions.

Capabilities and markets

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Materials worked

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End markets served

Classification

NAICS codes

Related manufacturers

  • VideoRay LLC logoVideoRay LLCSince its founding in 1999, VideoRay has built its identity around making underwater work possible without putting divers in harm’s way. The Pottstown company develops compact remotely operated vehicles for operators worldwide, with modular systems designed to adapt to demanding missions and an ISO 9001:2015-certified quality system supporting their design, manufacture and service.334511POTTSTOWN, PA
  • Biomarine Inc logoBiomarine IncFounded in 1969 by engineers who helped develop breathing systems for the moon missions, Biomarine designs and manufactures closed-circuit self-contained breathing apparatus for specialized rescue teams. Its Pennsylvania-made BioPak 240R provides four hours of positive-pressure protection when standard SCBA cannot meet the demands of mine, tunnel, hazmat, and heavy-rescue operations. Biomarine became a wholly owned subsidiary of CSE Corporation in 2020 and now operates from Export, Pennsylvania.339113EXPORT, PA
  • STIDD Systems, Inc logoSTIDD Systems, IncFounded in 1991, STIDD Systems builds military submersibles and underwater mobility craft, including its Diver Propulsion Device for maritime special-operations forces. The Greenport, Long Island manufacturer works from a 1.5-acre shipyard with 62,000 square feet of manufacturing and design space, on a site used continuously as a shipyard since 1831. STIDD also operates a South Florida training and evaluation facility opened in 2003, and its customers include the U.S. Marine Corps, Special Operations Command, Coast Guard and coalition forces.GREENPORT, NY
  • Lehigh Fishing Company logoLehigh Fishing CompanyFrom its facility in White Haven, Pennsylvania, Lehigh Fishing Company hand-makes American-made fishing rods for anglers, from fly rods to surf and ice models. The disabled veteran-owned company also builds custom rods and says its blanks use carbon-fiber technology developed for the F-22 and Boeing 787. Every rod carries an unconditional 20-year warranty, and the company’s tournament-proven models include winners from striper, black drum, and ice-fishing events.WHITE HAVEN, PA

Contact information

Website

questsub.com

Emails

  • ceyhun@questsub.com

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Directory source

Source
questsub.com
Updated
May 2026