Updated: Jun 06, 2026
Location and Projects
Address
Salem, OR, 97317
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Transformer Technologies Construction
Based in Hillsboro, Oregon, Transformer Technologies LLC brings 26 years of experience servicing power transformers and related equipment. The company specializes in the maintenance, repair, and support of electrical substations and wind generation power plants, working with regulators, reclosers, switchgear, circuit breakers, and relays. Services include commissioning, electrical testing, oil processing, and routine maintenance. Transformer Technologies LLC serves clients across Oregon and throughout the United States, supported by technicians and engineers who are available for 24-hour emergency services. The firm is equipped to handle complex projects for both domestic and international customers and maintains a strategic presence in Oregon. Their staff’s extensive background in power transformer service ensures reliable support for a variety of industrial and utility clients.
Transformer Technologies LLC Services
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Transformer Technologies LLC Contact Information
Phone Number: (503) 643-3737
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Building Permits by Transformer Technologies LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Com20. above ground tank support and containment dike poc william pease 503-399-1399
Valuation:
$25,000
Permit #:
09 119601 00 BP
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Com20. interior office inside existing factory f1 poc les joel ph 503-364-5476 fax 503-364-3339
Valuation:
$10,000
Permit #:
08 116558 00 BP
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Pw bin #1 pm-misbach pg-bunse above ground tank support and containment dike
Valuation:
N/A
Permit #:
09 119602 00 CO
Status:
complete
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Ramble glen subdivision 8 lots - grading
Valuation:
N/A
Permit #:
05220940
Status:
final
Fee:
$1,643
Permit Type:
N/A
Building Type:
N/A
Single family residence - demolish
Valuation:
N/A
Permit #:
P0145725
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
200 ft water service 120 ft storm sewer & 120 ft sanitary sewer on property
Valuation:
N/A
Permit #:
2005-131309-000-00-PT
Status:
final
Fee:
N/A
Permit Type:
New construction
Building Type:
N/A
Sunrise - grading
Valuation:
N/A
Permit #:
05178385
Status:
complete
Fee:
$1,424
Permit Type:
N/A
Building Type:
N/A
Nw jeep site utilities- 3 catch basins/148 storm sewer/wq vault
Valuation:
N/A
Permit #:
05199850
Status:
final
Fee:
$318
Permit Type:
N/A
Building Type:
N/A
Plumbing commercial 2; ardenwald school
Valuation:
N/A
Permit #:
080083-PLM-02
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family residence - demolish
Valuation:
N/A
Permit #:
05226958
Status:
final
Fee:
$90
Permit Type:
N/A
Building Type:
N/A
Single family residence - demolish
Valuation:
N/A
Permit #:
05226957
Status:
final
Fee:
$90
Permit Type:
N/A
Building Type:
N/A
Nw jeep retaining wall
Valuation:
N/A
Permit #:
05199848
Status:
final
Fee:
$941
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
MIS44700
Status:
triage
Fee:
$56
Permit Type:
N/A
Building Type:
N/A
Modifying parking lot
Valuation:
$60,000
Permit #:
SIT2008-00018
Status:
complete
Fee:
$1,032
Permit Type:
N/A
Building Type:
N/A
Demolish of 2000 sq. ft. residential dwelling on sewer. demolish credits applied to mst2006-00197 & swr2006-00172
Valuation:
N/A
Permit #:
BUP2005-00368
Status:
complete
Fee:
$110
Permit Type:
N/A
Building Type:
N/A
Demolish 1800 sq. ft. residential dwelling garage & shop on sewer. demolish credits applied to mst2006-00198 & swr2006-00173
Valuation:
N/A
Permit #:
BUP2005-00369
Status:
complete
Fee:
$110
Permit Type:
N/A
Building Type:
N/A
Northwest jeep - light poles for parking lot
Valuation:
N/A
Permit #:
05204849
Status:
final
Fee:
$1,166
Permit Type:
N/A
Building Type:
N/A
Peterkort north - site utilities
Valuation:
N/A
Permit #:
05187030
Status:
final
Fee:
$15,819
Permit Type:
N/A
Building Type:
N/A
Nw jeep grading
Valuation:
N/A
Permit #:
05199846
Status:
final
Fee:
$1,461
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
MS054401
Status:
triage
Fee:
$64
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Transformer Technologies LLC License info
Verified License
| License # | TRANSTL938OK |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Transformer Technologies LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| State | Oregon |
- When BuildZoom last verified this license, it had an expiration date of December, 2024. Check the current license status of Transformer Technologies LLC with the Oregon Construction Contractors Board (CCB)
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 176176 |
| Status | Active |
| State | Oregon |
- When BuildZoom last verified this license, it had an expiration date of December, 2024. Check the current license status of Transformer Technologies LLC with the Oregon Construction Contractors Board (CCB)
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | RCE-26193 |
| Status | Active |
| State | Idaho |
| Type | Demolition Abatement Mitigation |
- When BuildZoom last verified this license, it had an expiration date of May, 2015. Check the current license status of Transformer Technologies LLC with the State of Idaho Bureau Of Occupational Licenses
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | RUTANCI130LS |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor |
- According to the Washington State Department of Labor & Industries, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Transformer Technologies LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TRANSSI929BJ |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
- According to the Washington State Department of Labor & Industries, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Transformer Technologies LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
Insured
| Insurer | Arch Insurance Company |
| Insured up to | $5,000,000 |
Bonded
| Bonded Agent | 203 - Hanover Insurance Co (The) |
| Bond Value | $50,000 |
Insured
| Workers Comp Provider | Saif |
14
Permits
- Building permit records show that Transformer Technologies LLC has worked on 14 permitted projects.
Transformer Technologies LLC Employees
Agent
JL
Jeff Lefkovits
Owner
JC
Jerry Coleman
Owner
BR
Beverly Rutan
Secretary
CR
Clifford Rutan
President
DL
Dan Lupuleasa
President
JL
Jeff Lefkovits
Partner/Member
JB
Joel, Leslie B
Partner/Member
LJ
Lefkovits, Jeff
Partner/Member
LA
Lefkovits, Jeffery Alan
Member (Limited Liability Company)
LJ
Leslie Joel
Partner/Member
RW
Rosenfeld, Warren
Partner/Member
RJ
Rosenfeld, Warren James
Member (Limited Liability Company)
SG
Stefan Gavojdea
Vice President
WR
Warren Rosenfeld
Owner
WC
Warren Rosenfeld, Jeff Lefkovits, Jerry Coleman
Owner