Professional, Scientific & Technical Services
Page 210 of 2,300 · 229,908 sponsors (2020–2025).
Barth Ballenger & Lewis, LLP
57-0852275Florence, SC·1 plan·2024, 2025, 2023, 2022, 2021, 2020Barth Calderon LLP
57-1169025Orange, CA·1 plan·2024, 2023, 2022, 2021, 2020Barth Condren LLP
16-0741566Buffalo, NY·1 plan·2024, 2025, 2023, 2022, 2021, 2020Barth Daly, LLP
20-8658421Winters, CA·1 plan·2024, 2023, 2022, 2021, 2020Barth Packaging, Incorporated
20-2934742Coplay, PA·1 plan·2024, 2023, 2022, 2021, 2020Barth Rovnan, LLC
92-1184695Pittsburgh, PA·1 plan·2024, 2025, 2023Barthle & Associates Tax And Accounting Advisors, INC.
20-3637008Charlotte, NC·1 plan·2024, 2023Bartholomew & Wasznicky, LLP
68-0178066Sacramento, CA·1 plan·2024, 2023, 2022, 2021, 2020Bartimus, Frickleton, Robertson, An
43-1199267Leawood, KS·1 plan·2024, 2023, 2022, 2021, 2020Bartkiewicz, Kronick & Shanahan, A Professional Corporation
68-0199326Sacramento, CA·1 plan·2024, 2023, 2022, 2021, 2020Bartko, LLP
93-2331735San Francisco, CA·1 plan·2024Bartko, Zankel, Bunzel & Miller
94-2542676San Francisco, CA·1 plan·2023, 2022, 2021, 2020Bartle & Geier, LLC
47-0483602Lincoln, NE·2 plans·2023, 2022, 2021, 2020Bartlesville Ambulance Service, INC
73-0973106Bartlesville, OK·1 plan·2024, 2023, 2022, 2021, 2020Bartlett & Faulkner, P.A.
26-4381336Ponte Vedra Beach, FL·1 plan·2021, 2020Bartlett & West, INC.
48-0770612Topeka, KS·4 plans·2024, 2023, 2022, 2021, 2020Bartlett And Steadman
04-2992764Marblehead, MA·1 plan·2024, 2023, 2022, 2021, 2020Bartlett Buie, Cpa, P.A.
57-0700091Myrtle Beach, SC·1 plan·2024, 2023, 2022, 2021, 2020Bartlett Economic Consulting, LLC
92-3154393Southlake, TX·1 plan·2024, 2023Bartlett Engineering & Surveying PC
56-2013850Wilson, NC·1 plan·2024, 2023, 2022, 2021, 2020Bartlett Homes & Roofing LLC
47-3524614Boise, ID·2 plans·2024, 2023, 2022, 2021, 2020Bartlett Loeb Hinds & Thompson PLLC
87-4186606Tampa, FL·1 plan·2024, 2023, 2022Bartlett Management INC
04-2903127Nashua, NH·1 plan·2024, 2023, 2022, 2021, 2020Bartlett, LLP
11-3091901Melville, NY·3 plans·2024, 2023, 2022, 2021, 2020Bartlett, Loeb, Hinds & Thompson, P.A.
59-3552748Tampa, FL·1 plan·2021, 2020Bartlett, P.C.
46-5744941Norwood, MA·1 plan·2024, 2023, 2022, 2021, 2020Bartlett, Pontiff, Stewart & Rhodes P.C.
14-1622136Glens Falls, NY·1 plan·2024, 2023, 2022, 2021, 2020Bartlett, Pringle & Wolf, L.L.P.
95-2089835Santa Barbara, CA·1 plan·2024, 2023, 2022, 2021, 2020Bartley & Dick LLC
45-5378093New York, NY·1 plan·2024, 2025, 2023, 2022, 2021, 2020Bartley B Bain
45-1578613Cleveland, TN·1 plan·2024, 2023, 2022, 2021, 2020Bartlit Beck LLP
36-3909157Chicago, IL·3 plans·2024, 2023, 2022, 2021, 2020Barto Consulting LLP
92-3855917Santa Monica, CA·1 plan·2024Barto, Hoss & Company, PC
62-1547043Chattanooga, TN·1 plan·2024, 2023, 2022, 2021, 2020Bartol Law Firm, P.C.
84-1944953Mineola, NY·1 plan·2024, 2023, 2022, 2021, 2020Bartoletti Communications & Coac
88-3123719Scottsdale, AZ·1 plan·2024, 2023, 2022Bartoli Cain Wason PLLC
55-0903427Alexandria, VA·1 plan·2022, 2021, 2020Barton & Loguidice Dpc
16-1020368Liverpool, NY·2 plans·2024, 2023, 2022, 2021, 2020Barton And Burrows, LLC
86-2850124Mission, KS·1 plan·2024, 2023, 2022Barton Associates, INC.
23-1705429York, PA·2 plans·2024, 2023, 2022, 2021, 2020Barton Barton Interiors, INC.
82-5492617Del Mar, CA·1 plan·2024, 2023Barton Benson Jones PLLC
82-5471388San Antonio, TX·1 plan·2024, 2023, 2022, 2021, 2020Barton Brimm, P.A.
57-0692368Myrtle Beach, SC·1 plan·2024, 2023, 2022, 2021, 2020Barton C. Rachwal, P.C.
61-1408914Bingham Farms, MI·2 plans·2023, 2022, 2021, 2020Barton Cerjak S.C
83-1053550Milwaukee, WI·1 plan·2024, 2025Barton Consulting
99-1285801Littleton, CO·1 plan·2024Barton Consulting LLC
26-1097108Idaho Falls, ID·1 plan·2024, 2023, 2022Barton Cpa PLLC
88-3886284Cypress, TX·1 plan·2024Barton Creek Auto Credit Holdi
82-1862940Rogers, AR·1 plan·2024, 2023, 2022, 2021, 2020Barton Denmarsh Esteban INC.
25-1191354Pittsburgh, PA·1 plan·2024, 2023, 2022, 2021, 2020Barton Dynamics, LLC DBA Big Az Tents & Events
26-3476521Phoenix, AZ·1 plan·2024, 2025, 2023, 2022Barton Engineering Solutions, LLC
33-1194098Orlando, FL·1 plan·2024, 2023, 2022Barton F. Graf 9000, LLC
27-3213941New York, NY·1 plan·2020Barton Fisheries INC
46-5617920Columbia, ME·1 plan·2024, 2023, 2022, 2021, 2020Barton Gilman LLP Retirement Plan
04-3286391Boston, MA·1 plan·2024, 2023, 2022, 2021, 2020Barton Goode
68-0346069San Anselmo, CA·1 plan·2024, 2023, 2022, 2021, 2020Barton Law Office, A Professional Corporation
74-2860676Austin, TX·1 plan·2023, 2022, 2021, 2020Barton Law, PLLC
87-1488778San Antonio, TX·1 plan·2024Barton LLP
13-4081518New York, NY·2 plans·2024, 2023, 2022, 2021, 2020Barton Management, INC.
36-4163246Northfield, IL·1 plan·2024, 2023, 2022, 2021, 2020Barton Mendez Soto PLLC
85-3830422Tempe, AZ·1 plan·2024Barton Perreira LLC
20-8019914Irvine, CA·1 plan·2024, 2023, 2022, 2021, 2020Barton Perreira Retail Vi LLC
87-4243756Irvine, CA·1 plan·2024, 2023, 2022Barton Perreira Retail Vii LLC
88-4120596Irvine, CA·1 plan·2024, 2023Barton W. Morris, Jr. P.C.
38-3520820Royal Oak, MI·1 plan·2024, 2023, 2022, 2021, 2020Barton, Hall & Schnieders, P.C.
36-3768882Oak Grove, MO·1 plan·2024, 2023, 2022, 2021, 2020Barton, Klugman & Oetting, LLP
95-3681528Los Angeles, CA·1 plan·2023, 2022, 2021, 2020Barton, Walter & Krier, P.C.
37-1658243Maple Grove, MN·1 plan·2024, 2023, 2022, 2021, 2020Barton-Coe-Vilamaa Architects & Engineers, INC.
35-1154873Fort Wayne, IN·1 plan·2024, 2023, 2022, 2021, 2020Bartonpartners Architects Planners, INC.
23-2624374Norristown, PA·1 plan·2024, 2023, 2022, 2021, 2020Bartons Propane Service INC
65-0954574Venice, FL·1 plan·2024, 2025, 2023, 2022, 2021, 2020Bartony & Associates, LLC
27-1298534Butler, PA·1 plan·2024, 2023, 2022, 2021, 2020Bartos Architecture, INC.
26-2390586San Mateo, CA·1 plan·2024, 2023, 2022, 2021, 2020Bartosiak Makepeace, P.C.
99-2539341St. Louis, MO·1 plan·2024Bartow Animal Clinic
59-3217508Bartow, FL·1 plan·2022, 2021, 2020Bartow Animal Hospital, INC.
58-1496313Acworth, GA·1 plan·2021, 2020Bartram Trail Surveying, INC.
59-3607646Green Cove Springs, FL·1 plan·2024, 2023, 2022Bartron, INC.
38-2934270Trenton, MI·1 plan·2024, 2023, 2022, 2021, 2020Bartucca Structures INC
35-2321698Walpole, MA·1 plan·2024, 2023, 2022, 2021Bartz Law Group, Apc
87-3977358Irvine, CA·1 plan·2024Bartzen & Ball, PLLC
03-0455423Richmond, VA·1 plan·2024, 2023, 2022, 2021, 2020Baru Advertising, INC.
20-8200268Culver City, CA·2 plans·2024, 2023, 2022, 2021, 2020Barudin Law Firm, P.C.
85-0448539Albuquerque, NM·1 plan·2022, 2021, 2020Barulich, Dugoni, Suttmann & Cummins Law Group, INC.
94-3088838Burlingame, CA·1 plan·2024, 2023, 2022, 2021, 2020Baruzzini Contracting, LLC
82-1881041Brighton, MI·1 plan·2024, 2023, 2022, 2021, 2020Barvie Law Corporation
86-2870713San Diego, CA·1 plan·2024Barvision, LLC
82-3890405Kennett Square, PA·1 plan·2024, 2023, 2022, 2021, 2020Barwe INC.
46-5583018Lake Arrowhead, CA·1 plan·2024, 2023, 2022Baryeh Construction INC.
81-1087934Henderson, NV·1 plan·2024, 2025, 2023, 2022, 2021, 2020Barylski Land Surveyor P.C.
11-3311579Bridgehampton, NY·1 plan·2024, 2023, 2022, 2021, 2020Barzman And Company
95-4454501Henderson, NV·1 plan·2024, 2023, 2022, 2021, 2020Bas Control Systems
81-2022301Mechanicsville, VA·1 plan·2022, 2021, 2020Bas Financial Holdings, INC.
88-3707979Ellsworth, ME·1 plan·2024, 2023Bas Partners LLC
20-8779390Pembroke Pines, FL·1 plan·2024, 2023Bas-John, INC.
80-0258897Winchester, CA·1 plan·2024Basal Therapies, LLC
84-5078876Frederick, MD·1 plan·2024, 2023, 2022, 2021Basc Expertise Of Az, LLC
46-2088607Gilbert, AZ·1 plan·2024, 2023, 2022, 2021, 2020Basch & Keegan LLP
14-1788457Kingston, NY·1 plan·2024, 2023, 2022, 2021, 2020Bascietto & Bregman LLC
26-1153971Laurel, MD·1 plan·2021, 2020Bascom Hill, LLC
37-1759462Baraboo, WI·1 plan·2024, 2023, 2022, 2021, 2020Bascom Hunter Technologies, INC.
27-3358645Baton Rouge, LA·1 plan·2024, 2023, 2022, 2021, 2020