Verified Nov 2026
Tool & Die
·
Lincolnshire, Illinois
·
Since 1857
Klein Tools is a family-owned manufacturer of professional hand tools, test and measurement equipment, illumination products, and occupational protective gear, headquartered in Lincolnshire, Illinois. Founded in 1857, the company employs roughly 1,000 to 5,000 people and reports an estimated revenue band of $500 million to $1 billion. It serves the electrical, automotive, electric-vehicle, construction, plumbing-hardware, electronics, and industrial equipment sectors. In 2026, the company topped out a 200,000-square-foot Class A office expansion in Mansfield, Texas.
Klein Tools at a glance
Revenue
$500M-1B
Est. band
Employees
1,000-5,000
Founded
1857
Headquarters
Lincolnshire, Illinois
Import activity
1061
Industries
Automotive
Electric Vehicles
Electronics
Construction
Plumbing & Hardware
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
1061
Named foreign suppliers
50
Top origins
Taiwan · China · Sri Lanka · Hong Kong S.A.R.
Shared foreign counterparties do not establish that these companies buy from Klein Tools.
What this tells a buyer
Klein Tools' most recent reported development is the topping out of a 200,000-square-foot office expansion in Mansfield, Texas, announced by Capdex in November 2026.
The company manufactures pliers, wire strippers, screwdrivers, sheet metal tools, and other hand tools, as well as storage solutions, for electricians, HVAC technicians, and construction workers.
Klein Tools was named Grainger's 2025 Supplier of the Year, a recognition granted to one supplier among roughly 5,000 of Grainger's primarily supplier-based partners, as reported by the company on LinkedIn in April 2026.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
Overview
Klein Tools is a family-owned manufacturer of professional hand tools, test and measurement equipment, illumination products, and occupational protective gear, headquartered in Lincolnshire, Illinois. Founded in 1857, the company employs roughly 1,000 to 5,000 people and reports an estimated revenue band of $500 million to $1 billion. It serves the electrical, automotive, electric-vehicle, construction, plumbing-hardware, electronics, and industrial equipment sectors. In 2026, the company topped out a 200,000-square-foot Class A office expansion in Mansfield, Texas.
At a glance
Attribute | Detail |
|---|---|
Founded | 1857 |
Headquarters | Lincolnshire, Illinois |
Employees | 1,000-5,000 |
Revenue | $500M-1B (estimated) |
Primary capability | Tool & Die |
What Klein Tools makes
The company manufactures pliers, wire strippers, screwdrivers, sheet metal tools, and other hand tools, as well as storage solutions, for electricians, HVAC technicians, and construction workers.
Products and capabilities described on the company's own site include Sheet Metal, Battery, Steel, Transmission, Gear, Pump (source: kleintools.com).
Trade and customs footprint
Klein Tools' most recent reported development is the topping out of a 200,000-square-foot office expansion in Mansfield, Texas, announced by Capdex in November 2026. US customs bill-of-lading records list 1061 inbound shipments across 50 foreign suppliers, with top origins including Taiwan · China · Sri Lanka · Hong Kong S.A.R..
Latest developments
2026-11-05 — Klein Tools Tops Out 200,000-Square-Foot Class A Office Expansion in Mansfield, Texas | Capdex (capdex.com)
2026-08-03 — S&P Celebrates Topping Out of Klein Tools Warehouse Expansion - SATPON (satpon.com)
2026-06-15 — Klein Tools Warehouse - Venture Mechanical (venturemech.com)
2026-05-12 — Melbourne Mavericks welcome Klein Tools as a partner for seasons 2026 and 2027 - Melbourne Mavericks (melbournemavericks.com)
2026-04-30 — We are excited to share that Klein Tools has been selected as Grainger’s 2025 Supplier of the Year! This prestigious recognition is granted to only one of Grainger’s roughly 5,000 primarily supplier … | Klein Tools (linkedin.com)
2025-07-22 — Klein Tools to add research and development HQ in Mansfield | Fort Worth Report (fortworthreport.org)
Facilities
Klein Tools is headquartered in Lincolnshire, Illinois. Public sources also reference these locations:
Mansfield, TX — kleintools.com
Company details
Klein Tools was named Grainger's 2025 Supplier of the Year, a recognition granted to one supplier among roughly 5,000 of Grainger's primarily supplier-based partners, as reported by the company on LinkedIn in April 2026. Klein Tools was founded in 1857, has an estimated 1,000-5,000 employees, and is headquartered in Lincolnshire, Illinois.
Frequently asked questions
What does Klein Tools make?
Klein Tools is a family-owned manufacturer of professional hand tools, test and measurement equipment, illumination products, and occupational protective gear, headquartered in Lincolnshire, Illinois. Founded in 1857, the company employs roughly 1,000 to 5,000 people and reports an estimated revenue band of $500 million to $1 billion. It serves the electrical, automotive, electric-vehicle, construction, plumbing-hardware, electronics, and industrial equipment sectors. In 2026, the company topped out a 200,000-square-foot Class A office expansion in Mansfield, Texas.
Where is Klein Tools headquartered?
Klein Tools is headquartered in Lincolnshire, Illinois (450 Bond Street, Lincolnshire, Illinois, 60069).
When was Klein Tools founded?
Klein Tools was founded in 1857.
How big is Klein Tools?
Klein Tools has an estimated 1,000-5,000 employees, with revenue in the $500M-1B range (estimated).
Does Klein Tools import from overseas suppliers?
US customs bill-of-lading records show 1061 inbound shipments for Klein Tools, with top origins including Taiwan · China · Sri Lanka · Hong Kong S.A.R..
Related suppliers
Explore other suppliers in the LightSource directory:
Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
Evaluating suppliers like these?
This profile comes from a public-data sample of around 1,000 companies. Book a demo to see the full LightSource marketplace and supplier discovery platform — 1M+ credible suppliers, with AI-run sourcing events.