| # | Company | Employees |
|---|---|---|
| 1 |
PKconcentrix.com
Concentrix Catalyst specializes in experience design and engineering services, offering innovative solutions to enhance customer interactions and business processes |
2,702 |
| 2 |
ieSolutionsie4solutions.com
ieSolutions offers staffing services for IT projects and consulting services for planning, project management, system assessment, system delivery, and methodology implementation aligned with business priorities |
1,932 |
| 3 |
INDUSTRYindustry.global
A global brand consultancy specializing in defining white space, creating authentic storytelling, and bringing ideas to life with strategic creativity |
1,457 |
| 4 |
David Evans and Associates, Inc.deainc.com
A leader in progressive design solutions for transportation, land development, energy, and water projects nationwide, with a diverse team of professionals |
1,084 |
| 5 |
PAEpae-engineers.com
An engineering firm specializing in mechanical, electrical, and technology system design, with a focus on sustainability, regenerative engineering, and community impact |
783 |
| 6 | 500 | |
| 7 |
Aldrichaldrichadvisors.com
Providing financial, wealth, tax, and business transition strategies for clients across the West Coast for over 50 years |
452 |
| 8 |
Kittelson & Associates, Inc.kittelson.com
Solve complex transportation problems through planning, operations, design, and research to improve communities and everyday lives nationwide. |
420 |
| 9 |
AKS Engineering & Forestryaks-eng.com
Consulting engineering firm offering civil engineering and complementary services in Oregon and SW Washington Specializing in public infrastructure and private development projects |
384 |
| 10 |
Mackenziemackenzie.inc
Leaders in design, committed to diversity, community, equity, sustainability Strong culture of friendship, resiliency, and creative problem-solving Over 60 years of experience |
368 |
| 11 |
Cascade Energycascadeenergy.com
Cascade Energy specializes in industrial energy efficiency solutions, offering program design, carbon tracking, engineering services, software, and training to help clients achieve sustainability goals |
313 |
| 12 |
Lumovy Technology Solutionslumovy.com
A company specializing in Dynamics365 technology experiences, digital transformation, cloud integrations, end-to-end implementation, quality engineering, system updates, and support services |
267 |
| 13 |
Centizen, Inc.centizen.com
A leading IT staffing and custom software development company offering innovative solutions, remote global hiring, and SaaS product development services |
251 |
| 14 |
Alta Planning + Designaltago.com
Consulting firm specializing in bicycle, pedestrian, trail, park, greenway, and roadway planning, design, engineering, and outreach programs. |
249 |
| 15 |
Evergreen Engineering庐 Inc.evergreenengineering.com
A company founded in 1985 offering industrial engineering, design, consulting, and construction solutions for various markets globally |
73 |
| 16 |
DPW Certified Public Accountantsdpwcpas.com
A financial services firm providing tax preparation, planning, accounting, financial statements, 401K administration, consulting, CAAS, and NIL consulting for businesses and individuals |
50 |
| 17 |
Stillwater Energystillwaterenergy.com
A company founded to drive energy savings and a positive impact, focusing on sustainability, collaboration, and fearless innovation in all endeavors |
26 |
| 18 |
MADOlookwithmado.com
A women-owned company in Portland delivering innovative research insights, strategic advisory, and foresight methods to inspire transformational innovation for clients |
25 |
| 19 |
The Good | Digital Experience Optimizationthegood.com
Utilizing user insights, this company helps clients optimize digital platforms through data-driven testing, resulting in significant improvements |
24 |
| 20 |
OmniDatafreschesolutions.com
Specializing in solution architecture, data engineering, and business intelligence, we partner with global companies to create quick solutions for complex data problems |
23 |
| 21 |
Golsan Scruggsgolsanscruggs.com
A specialized risk management consultant and corporate insurance brokerage firm offering Enterprise Risk Management services to commercial clients nationwide |
23 |
| 22 | 19 | |
| 23 |
Synaptiqsynaptiq.ai
An intelligent product company leveraging AI & ML to help SMBs and enterprises generate insights, build innovative products, and solve challenges for a better world |
18 |
| 24 |
Mjh Investmentsmjhgroup.com
A private investment and management consulting firm offering services in direct investment and consulting, specializing in private investments |
13 |
| 25 |
Solarc Energy Groupsolarcenergygroup.com
A small firm offering energy efficiency analysis, commissioning, and mechanical engineering services with extensive experience in building energy conservation projects |
12 |
| 26 |
S&C Consulting
Global consulting firm providing AI-powered consultation for DevOps and IT teams, founded in 2016 by two partners |
11 |
| 27 |
Future State Consultinglaunchconsulting.com
Tech consulting firm delivering top engineering talent and team solutions with a personalized, relationship-first approach for digital mobility and technology goals |
11 |
| 28 |
Range Financial Grouprangefinancialgroup.com
A full-service financial firm specializing in financial planning, investment management, tax strategies, and tax return preparation for executives, business owners, and families |
10 |
| 29 |
Foglight Solutionsfoglightsolutions.com
Foglight Solutions helps mid-market businesses achieve exceptional performance through digital transformation, specializing in Salesforce platform solutions and cloud migration services |
9 |
| 30 |
Pepper Foster Consultingpepperfoster.com
A strategy and execution consulting firm helping clients in various industries figure things out and achieve impactful results through innovative solutions and great people |
9 |
| 31 |
Rogue Consultingrogueventuresinc.com
Business services firm specializing in transforming passions into plans, providing customized solutions and full implementation support to empower organizations for impact and change |
8 |
| 32 |
TACCtacc-or.com
A Central Oregon-based company offering creative technical solutions for businesses in the analytical instrument industry, focused on computing and marketing needs |
7 |
| 33 |
M28 Global, Inc.m28global.com
Specializing in addressing operational challenges through technology, data analytics, and process optimization with experts in business, technology, digital strategy, and design |
7 |
| 34 |
Endeavor45, LLCendeavor45.com
A consulting group in Portland, OR specializing in Medical Device commercialization, product development, business growth, marketing, branding, and creative services |
6 |
| 35 |
Anchor Blue Consulting, LLCanchorbluellc.com
Small energy consulting firm with expertise in energy efficiency, renewable energy, demand response, and evaluation services for utilities, government agencies, and non-profit clients |
5 |
| 36 |
Gordian Knot Strategiesgordianknotstrategies.com
A leading consulting firm specializing in strategic problem-solving for harnessing natural climate solutions, carbon markets, climate finance, and impact investing worldwide |
5 |
| 37 |
Nayak Enterprises LLC
The company specializes in providing technology and business consulting services to clients in various industries, helping them achieve their goals and optimize their operations |
5 |
| 38 |
ISAAC TOLPINisaactolpin.com
The company focuses on creating and driving organizational culture that engages, retains, and boosts employee performance through a unique system |
4 |
| 39 |
Chemistry & Drug Discovery Consulting, LLCchemdisc.com
Specializing in medicinal chemistry & early drug discovery, offering expertise in lead identification, hit-to-lead chemistry, lead optimization, prodrug design, patent assessments |
3 |
| 40 |
Alder & Vine, LLC
Specializing in enhancing operations and efficiency through business process improvement, global manufacturing, and process management on a worldwide scale |
2 |
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 2, 2026.
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