29 Oct 2026 · TrustList Editorial
GM pays $220m to 36 states over selling drivers' data to insurers
Settlement led by Washington and Oregon requires affirmative express consent before GM collects or shares driving and location data, plus…
18 of 57 BPO service companies ranked on evidence in the Q4 2026 edition.
Between them, the 58 best-ranked of these 59 BPO service companies cover medical (39), medical billing (23), security (11) and outsourcing (9). They also list work in United States, Florida, Arizona and Phoenix. 58 of them have written a profile you can read before you get in touch.
TrustList ranking
Q4 2026 edition
18 of 57 BPO service companies ranked on evidence held on 12 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.
Positions are fixed for the quarter; the next edition is due in January 2027.

Medical Billing · Medical · Security · Also in Louisiana and Dallas
e-care India provides offshore medical billing and coding, mainly for physicians in the United States and the revenue cycle companies that serve them.
Why #1: Founded 2000 · ISO 9001, ISO 27001 · Team of 1,500+, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Education · Partners
Greenwave, operated by Roheline Laine OÜ, handles insurance claims and provides round-the-clock emergency assistance in the Baltic region and elsewhere in Europe.
Why #2: Founded 2002 · ISO 9001, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.

Security · Administration · Goals
Insuresoft delivers core systems for the property and casualty insurance industry.
Why #3: In business 30+ years · Client numbers stated on its own website, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.

Scheduling · Backup · Also in Illinois
Business Centers of Missouri, Inc. runs telephone answering and call centre services for companies that need their calls covered around the clock. It serves clients in St.
Why #4: In business 43+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Medical · CMS · Legal
Denials Management Inc., which now trades as FixMyClaim, helps patients and healthcare providers deal with health insurance claims that have been refused.
Why #5: Founded 1990, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.

Medical Billing · Medical · Government
Medical billing, coding, credentialing and auditing services for physician practices and healthcare providers since 1992
Why #6: Founded 1992, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Medical Billing · Medical · Analytics
Fastnet Medical Billing handles billing for healthcare providers, from insurance checks to collections.
Why #7: Founded 1994, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Medical Billing · Medical · Also in New Jersey and Florida
Fast Track Medical Billing LLC is a medical billing company that manages insurance claims and billing for doctors' offices.
Why #8: Founded 2000, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Medical Billing · Medical · Personnel
Jabz Medical Billing is a billing and collections service for medical practices. Its staff say they have worked in this field for over 25 years.
Why #9: In business 25+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Lead Generation · Security · Analytics · Also in Maryland and North America
Grindstone is a B2B sales support company that generates leads and books appointments for other businesses.
Why #10: Founded 2003, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Medical · Also in Indiana
Howard Medical Billing, Inc. is a billing company that helps Indiana doctors manage the financial side of their practices.
Why #11 (shared): In business 20+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Security · Automotive
Calling 24o7 is an outsourced contact centre and BPO provider in India, with its operations in Pune.
Why #11 (shared): In business 20+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.

Medical Billing · Medical · simple · Also in Pennsylvania and United States
Heartland Medical Billing & Consulting handles insurance billing for medical practices so clinicians can spend their time on patients.
Why #11 (shared): In business 20+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Banking
3 Way Marketing, now trading as 3Way Group, generates sales leads and marketing data for consumer brands.
Why #14: Founded 2007, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Medical · Collections
Gulf South HealthCare Management provides medical billing, collections and practice management for clinics along the Gulf Coast
Why #15: Founded 2010, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Outsourcing · Also in Hyderabad
Indian contact centre and outsourcing firm handling voice and non-voice customer work for telecom, banking and insurance
Why #16: Founded 2011, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Medical Billing · Medical · Also in New Mexico and Albuquerque, New Mexico
Enchantment Medical Billing is a billing and credentialing service for medical practices, based in Albuquerque, New Mexico, and serving practices across the country.
Why #17 (shared): ISO 9001, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.

Medical · Security · Accounting
DME Medical Billing (Division of Integra Corp) handles billing and revenue work for suppliers of durable medical equipment (DME).
Why #17 (shared): ISO 27001, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Medical · Security · Government · Also in Asia
LEVERnGEAR is an outsourcing company that takes over back-office work, with a strong focus on healthcare administration.
On record: Team of 250+, as stated on its own website, read 5 Oct 2026

Medical · Also in Dubai
Dubai revenue cycle management firm handling medical coding, insurance billing and payer contracting for healthcare providers

Medical Billing · Medical · Administration · Also in Arizona and Phoenix
Accurate Medical Billing, or AMB, handles insurance billing and practice administration for private practices.

Accounting · Education
Akkerman HealthCare Management, trading as Akkerman HealthCare Management, Inc. (AHCM-Inc), handles the back-office side of running a medical practice.

Lead Generation
Appointment Setters runs B2B appointment setting and lead generation campaigns under the Appointmentsetter name.
Medical · Production
APS Billing Solution is a medical billing company in Butler, PA, USA, that takes over billing for doctors and chiropractors.
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