ContractorHistory

Registered Washington contractor, based in BUFFALO GROVE, IL

Siemens Industry Inc

Registered in Washington for 9 years

License number
SIEMEII831J6
UBI
601906563
Trade
Electrical(all electrical contractors in Washington)
L&I license type and specialty
ELECTRICAL CONTRACTOR · LIMITED ENERGY
Business address
BUFFALO GROVE, IL
Phone
(425) 247-5818

Current verification

  • Found: Active Washington contractor registration
  • Found: Current bond record found
  • Found: No Attorney General complaint records found
  • Review: 2 other license records under the same UBI

From the state records below; each section shows its source and when it was last synced.

Registration

Status
ACTIVE
Effective date
April 26, 2017
Expiration date
April 26, 2027

Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.

Related licenses

2 other license numbers are registered under the same UBI, 601906563. A UBI identifies one business with the state; a business may hold more than one license, renew under a new number, or register a new license after an earlier one closed.

  • Siemens Industry IncACTIVE

    License SIEMEII915P1 · ELECTRICAL CONTRACTOR · October 21, 2009 to August 2, 2028

  • SIEMENS INDUSTRY INCACTIVE

    License SIEMEII919PP · CONSTRUCTION CONTRACTOR · October 1, 2009 to November 2, 2027

Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.

Bond

Current bond

  • Bond company
    Federal Ins Co
    Bond number
    8218-99-29
    Amount
    $4,000
    Effective date
    April 21, 2017
    Expiration date
    Until canceled

Source: L&I Contractor License Data - Bond, Washington State Department of Labor & Industries. Last synced October 9, 2026.

Liability insurance

Current policy

Chapter 19.28 RCW, the electrical contractor licensing law, requires a bond and does not require liability insurance. L&I's insurance dataset has no policy on file for this contractor.

Source: L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries. Last synced October 9, 2026.

People

Principals L&I lists for this license.

  • Ct CorpSince April 26, 2017
  • Klaus, StegemannSince April 26, 2017
  • Ellis, LonnieSince May 11, 2023
  • Gratzke, RuthSince May 11, 2023
  • Rosely, EllenSince May 11, 2023
  • Volpert, HeikoSince May 11, 2023
  • Greene, LisaApril 26, 2017 to May 11, 2023
  • Hopping, DavidApril 26, 2017 to May 11, 2023
  • Stegemann, KlausApril 26, 2017 to April 4, 2019
  • STUMPF, HERIBERTApril 4, 2019 to May 11, 2023

Source: L&I Contractor License - Principal Data, Washington State Department of Labor & Industries. Last synced October 9, 2026.

Attorney General complaints

No Attorney General complaint records found.

Matched on business name and city: SIEMENS INDUSTRY in BUFFALO GROVE. Complaints filed under another name or city are not included.

2 other registered contractors share this business name and city: Siemens Industry Inc (SIEMEII915P1, ACTIVE), SIEMENS INDUSTRY INC (SIEMEII919PP, ACTIVE). Complaints are matched by business name and city, so any complaint records shown here also appear on those pages. The records do not say which of these contractors a complaint was about.

A complaint record does not establish that the business violated the law.

Source: Attorney General Consumer Complaints, Washington State Attorney General's Office. Last synced October 9, 2026.

Record history

Changes to this contractor's state records since we began tracking them. The state's current-status tools do not show these.

No changes recorded since our records began on October 6, 2026.

Sources

Record last synced October 7, 2026.

Check this record against the state directly on L&I's Verify a Contractor page (search by license number SIEMEII831J6).