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TAMARACK GROVE ENGINEERING, PLLC

Headquarter

Company Details

Name: TAMARACK GROVE ENGINEERING, PLLC
Jurisdiction: Idaho
Legal type: Limited Liability Company (D)
Status: Active-Existing
Date of registration: 15 Dec 2003 (21 years ago)
Financial Date End: 31 Dec 2025
Entity Number: 95213
Place of Formation: IDAHO
File Number: 95213
Principal Address: PO BOX 50421 BOISE, ID 83705
Mailing Address: PO BOX 98 MERIDIAN, ID 83680-0098

Links between entities

Type Company Name Company Number State
Headquarter of TAMARACK GROVE ENGINEERING, PLLC, MISSISSIPPI 1068545 MISSISSIPPI
Headquarter of TAMARACK GROVE ENGINEERING, PLLC, COLORADO 20191769132 COLORADO
Headquarter of TAMARACK GROVE ENGINEERING, PLLC, ALASKA 10025565 ALASKA
Headquarter of TAMARACK GROVE ENGINEERING, PLLC, NEW YORK 4892271 NEW YORK
Headquarter of TAMARACK GROVE ENGINEERING, PLLC, MINNESOTA 5880c57f-b6c9-e411-b14d-001ec94ffe7f MINNESOTA
Headquarter of TAMARACK GROVE ENGINEERING, PLLC, KENTUCKY 0903478 KENTUCKY
Headquarter of TAMARACK GROVE ENGINEERING, PLLC, RHODE ISLAND 001109915 RHODE ISLAND
Headquarter of TAMARACK GROVE ENGINEERING, PLLC, ILLINOIS LLC_05113628 ILLINOIS

Unique Entity ID

Unique Entity ID Expiration Date Physical Address Mailing Address
P2M3FCNV4BC5 2024-07-11 812 S LA CASSIA DR, BOISE, ID, 83705, 2253, USA P.O. BOX 50421, BOISE, ID, 83705, USA

Business Information

URL https://www.tamarackgrove.com/
Congressional District 02
State/Country of Incorporation ID, USA
Activation Date 2023-07-13
Initial Registration Date 2021-05-08
Entity Start Date 2003-12-15
Fiscal Year End Close Date Dec 31

Service Classifications

NAICS Codes 213111, 221112, 236115, 236116, 236210, 236220, 237110, 237120, 237130, 238110, 238120, 238190, 541310, 541330, 541340, 541350, 541715
Product and Service Codes C1AA, C1AB, C1AZ, C1BA, C1BB, C1BE, C1BF, C1BG, C1BZ, C1CA, C1CZ, C1DA, C1DB, C1DZ, C1EA, C1EB, C1EC, C1EE, C1EZ, C1FA, C1FB, C1FC, C1FD, C1FE, C1FF, C1FZ, C1GA, C1GB, C1GC, C1GD, C1GZ, C1HA, C1HB, C1HC, C1HZ, C1JA, C1JB, C1JZ, C1KC, C1KD, C1KE, C1KZ, C1LZ, C1ND, C1PD, C213, C220

Points of Contacts

Electronic Business
Title PRIMARY POC
Name WILLIAM WORKMAN
Role MR.
Address PO BOX 50421, BOISE, ID, 83705, USA
Government Business
Title PRIMARY POC
Name WILLIAM WORKMAN
Role MR.
Address PO BOX 50421, BOISE, ID, 83705, USA
Past Performance Information not Available

form 5500

Plan Name Plan Year EIN/PN Received Sponsor Total number of participants
TGE 401(K) PLAN 2023 260706709 2024-10-03 TAMARACK GROVE ENGINEERING, PLLC 32
File View Page
Three-digit plan number (PN) 001
Effective date of plan 2017-01-01
Business code 541330
Sponsor’s telephone number 2083458941
Plan sponsor’s address 812 LA CASSIA DR., BOISE, ID, 83705

Signature of

Role Plan administrator
Date 2024-10-03
Name of individual signing BRIAN SIELAFF
Valid signature Filed with authorized/valid electronic signature
TGE 401(K) PLAN 2022 260706709 2023-10-12 TAMARACK GROVE ENGINEERING, PLLC 33
File View Page
Three-digit plan number (PN) 001
Effective date of plan 2017-01-01
Business code 541330
Sponsor’s telephone number 2083458941
Plan sponsor’s address P.O. BOX 50421, BOISE, ID, 83705

Signature of

Role Plan administrator
Date 2023-10-12
Name of individual signing BRIAN J. SIELAFF
Valid signature Filed with authorized/valid electronic signature
TGE 401(K) PLAN 2021 260706709 2022-03-30 TAMARACK GROVE ENGINEERING, PLLC 38
File View Page
Three-digit plan number (PN) 001
Effective date of plan 2017-01-01
Business code 541330
Sponsor’s telephone number 2083458941
Plan sponsor’s address P.O. BOX 50421, BOISE, ID, 83705

Signature of

Role Plan administrator
Date 2022-03-30
Name of individual signing BRIAN J. SIELAFF
Valid signature Filed with authorized/valid electronic signature
TGE 401(K) PLAN 2020 260706709 2021-07-27 TAMARACK GROVE ENGINEERING, PLLC 34
File View Page
Three-digit plan number (PN) 001
Effective date of plan 2017-01-01
Business code 541330
Sponsor’s telephone number 2083458941
Plan sponsor’s address P.O. BOX 50421, BOISE, ID, 83705

Signature of

Role Plan administrator
Date 2021-07-27
Name of individual signing BRIAN J. SIELAFF
Valid signature Filed with authorized/valid electronic signature
TGE 401(K) PLAN 2019 260706709 2020-10-15 TAMARACK GROVE ENGINEERING, PLLC 29
File View Page
Three-digit plan number (PN) 001
Effective date of plan 2017-01-01
Business code 541330
Sponsor’s telephone number 2083458941
Plan sponsor’s address P.O. BOX 50421, BOISE, ID, 83705

Signature of

Role Plan administrator
Date 2020-10-15
Name of individual signing BRIAN J. SIELAFF
Valid signature Filed with authorized/valid electronic signature
TGE 401(K) PLAN 2018 260706709 2019-07-02 TAMARACK GROVE ENGINEERING, PLLC 22
File View Page
Three-digit plan number (PN) 001
Effective date of plan 2017-01-01
Business code 541330
Sponsor’s telephone number 2083458941
Plan sponsor’s address P.O. BOX 50421, BOISE, ID, 83705

Signature of

Role Plan administrator
Date 2019-07-02
Name of individual signing BRIAN J. SIELAFF
Valid signature Filed with authorized/valid electronic signature
TGE 401(K) PLAN 2017 260706709 2018-09-17 TAMARACK GROVE ENGINEERING, PLLC 20
File View Page
Three-digit plan number (PN) 001
Effective date of plan 2017-01-01
Business code 541330
Sponsor’s telephone number 2083458941
Plan sponsor’s address P.O. BOX 50421, BOISE, ID, 83705

Signature of

Role Plan administrator
Date 2018-09-17
Name of individual signing BRIAN J. SIELAFF
Valid signature Filed with authorized/valid electronic signature

Member

Name Role Address Appointed On Resigned On
Douglas Dean Hardin Member 812 S. LA CASSIA DR, BOISE, ID 83705 2020-11-23 2023-12-11

Manager

Name Role Address Appointed On
Brian J Sielaff Manager PO BOX 50421, BOISE, ID 83705 2022-01-12

Agent

Name Role Address
Bonnie J Sielaff Agent 851 N HICKORY AVE, SUITE 200, MERIDIAN, ID 83642

Filing

Filing Name Filing Number Filing date
Annual Report 0006025257 2024-12-13
Change of Registered Office/Agent/Both (by Entity) 0005873888 2024-09-03
Statement of Change of Business Mailing Address 0005873878 2024-08-29
Annual Report 0005507465 2023-12-11
Annual Report 0005028750 2022-12-13
Annual Report 0004565524 2022-01-12
Change of Registered Office/Agent/Both (by Entity) 0004528198 2021-12-14
Annual Report Amendment 0004212914 2021-03-18
Annual Report 0004073422 2020-11-23
Annual Report 0003700649 2019-12-05

Paycheck Protection Program

Loan Number Loan Funded Date SBA Origination Office Code Loan Delivery Method Borrower Street Address
9932577002 2020-04-09 1087 PPP 812 LACASSIA DR, BOISE, ID, 83705
Loan Status Date 2021-04-16
Loan Status Paid in Full
Loan Maturity in Months 24
SBA Guaranty Percentage 100
Loan Approval Amount (at origination) 440011.4
Loan Approval Amount (current) 440011.4
Undisbursed Amount 0
Franchise Name -
Lender Location ID 87893
Servicing Lender Name Glacier Bank
Servicing Lender Address 202 Main St, KALISPELL, MT, 59901-4454
Rural or Urban Indicator U
Hubzone N
LMI N
Business Age Description Existing or more than 2 years old
Project Address BOISE, ADA, ID, 83705-0001
Project Congressional District ID-02
Number of Employees 39
NAICS code 541330
Borrower Race White
Borrower Ethnicity Not Hispanic or Latino
Business Type Limited Liability Company(LLC)
Originating Lender ID 87893
Originating Lender Name Glacier Bank
Originating Lender Address KALISPELL, MT
Gender Male Owned
Veteran Unanswered
Forgiveness Amount 443157.78
Forgiveness Paid Date 2021-01-07

U.S. Small Business Administration Profile

Status User ID Name of Firm Trade Name UEI Address
Active P2617137 TAMARACK GROVE ENGINEERING, PLLC - P2M3FCNV4BC5 851 N HICKORY AVE STE 200, MERIDIAN, ID, 83642-8016
Capabilities Statement Link https://issuu.com/tamarackgrove/docs/tge_fedgov_about_us?fr=xKAE9_zU1NQ
Phone Number 208-345-8941
Fax Number -
E-mail Address Will.workman@tamarackgrove.com
WWW Page https://www.tamarackgrove.com/
E-Commerce Website https://www.tamarackgrove.com/
Contact Person WILLIAM WORKMAN
County Code (3 digit) 001
Congressional District 01
Metropolitan Statistical Area 1080
CAGE Code 96W55
Year Established 2003
Accepts Government Credit Card Yes
Legal Structure LLC
Ownership and Self-Certifications -
Business Development Servicing Office BOISE DISTRICT OFFICE (SBA office code 1087)
Capabilities Narrative As a Certified Small Business Enterprise, we adapt to meet your goals while delivering structural assessment and engineering services of the highest quality with industry-leading turnaround times. Our experience and licensure in all 50 US states brings our team a broader knowledge base for addressing challenges in different parts of the country providing you the best solutions for your project, regardless of location. Our client-centric approach to design and problem-solving along with the way we build authentic relationships results in a greater experience for our clients and for our people.
Special Equipment/Materials N/A
Business Type Percentages Service (100 %)
Keywords Apartment, Concrete, building, design build, structural assessment, structural engineering, wood, timber, steel, masonry, Cold form, light gauge
Quality Assurance Standards (none given)
Electronic Data Interchange capable -

Current Principals

Name Brian Sielaff
Role CEO/ Managing Member
Name Douglas Hardin
Role Director of Engineering

SBA Federal Certifications

HUBZone Certified No
Women Owned Certified No
Women Owned Pending No
Economically Disadvantaged Women Owned Certified No
Economically Disadvantaged Women Owned Pending No
Veteran-Owned Small Business Certified No
Veteran-Owned Small Business Joint Venture No
Service-Disabled Veteran-Owned Small Business Certified No
Service-Disabled Veteran-Owned Small Business Joint Venture No

Bonding Levels

Description Construction Bonding Level (per contract)
Level $0
Description Construction Bonding Level (aggregate)
Level $0
Description Service Bonding Level (per contract)
Level $0
Description Service Bonding Level (aggregate)
Level $0

NAICS Codes with Size Determinations by NAICS

Primary Yes
Code 541330
NAICS Code's Description Engineering ServicesGeneral $22.50m Small Business Size Standard: [Yes]Special $41.50m Military and Aerospace Equipment and Military Weapons: [Yes]Special $41.50m Contracts and Subcontracts for Engineering Services Awarded Under the National Energy Policy Act of 1992: [Yes]Special $41.50m Marine Engineering and Naval Architecture: [Yes] (4)
Buy Green Yes
Code 213111
NAICS Code's Description Drilling Oil and Gas Wells
Buy Green Yes
Code 221112
NAICS Code's Description Fossil Fuel Electric Power Generation
Buy Green Yes
Code 236115
NAICS Code's Description New Single-family Housing Construction (Except For-Sale Builders)
Buy Green Yes
Code 236116
NAICS Code's Description New Multifamily Housing Construction (except For-Sale Builders)
Buy Green Yes
Code 236210
NAICS Code's Description Industrial Building Construction
Buy Green Yes
Code 236220
NAICS Code's Description Commercial and Institutional Building Construction
Buy Green Yes
Code 237110
NAICS Code's Description Water and Sewer Line and Related Structures Construction
Buy Green Yes
Code 237120
NAICS Code's Description Oil and Gas Pipeline and Related Structures Construction
Buy Green Yes
Code 237130
NAICS Code's Description Power and Communication Line and Related Structures Construction
Buy Green Yes
Code 238110
NAICS Code's Description Poured Concrete Foundation and Structure Contractors
Buy Green Yes
Code 238120
NAICS Code's Description Structural Steel and Precast Concrete Contractors
Buy Green Yes
Code 238190
NAICS Code's Description Other Foundation, Structure, and Building Exterior Contractors
Buy Green Yes
Code 541310
NAICS Code's Description Architectural Services
Buy Green Yes
Code 541340
NAICS Code's Description Drafting Services
Buy Green Yes
Code 541350
NAICS Code's Description Building Inspection Services
Buy Green Yes
Code 541715
NAICS Code's Description Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) General 1000 Employees Small Business Size Standard: [Yes]Special 1500 Employees Aircraft, Aircraft Engine and Engine Parts: [Yes]Special 1250 Employees Other Aircraft Parts and Auxiliary Equipment: [Yes]Special 1250 Employees Guided Missiles and Space Vehicles, Their Propulsion Units and Propulsion Parts: [Yes]
Buy Green Yes

Export Profile (Trade Mission Online)

Exporter No
Export Business Activities (none given)
Exporting to (none given)
Desired Export Business Relationships (none given)
Description of Export Objective(s) (none given)

Performance History (References)

Name Eagle Island State Park
Start 2023-07-11
End 2023-08-31
Value 20,000
Contact John Fitzgerald
Phone 208-888-7002

Date of last update: 21 Apr 2025

Sources: Idaho Secretary of State