Name: Halberd Motors
Owner of company: @Onceuponaban
Forum thread: Halberd Motors
Country of origin: 
United Kingdom (on a technicality)
Established: 1946
Company ID: #1946847
Name: Estrada Motors
Owner of company: @Mad_Cat
Forum thread: Not yet
Country: Guatemala
Established: 1950
Company ID: #1950619
Name: Duke Automotive
Associated brands: Phantom Sports Cars, Wildlander Motors For Australasia, DMX, Maran Motor Inc.
Owner of company: @agj38
Forum thread: Duke Automotive
Country: 
Canada (sort of)
Established: 1919
Company ID: #1919213
Name: Alba Engineering LTD + Alba Performance Division
Owner: @TheLapTopX20
Forums Thread: To be added
Country of origin: UK
Established: 1959
Company ID: #1959126
Name: SC-Group
Associated brands: Solution Cars, Rayback Automotive
Owner of company: @Icebear787
Website or Forum thread: https://sites.google.com/view/solutioncars/homepage
Country of origin: 
The Netherlands
Company ID: #1956787
Name: HMC
Associated brands: Duke Automotive, Voitures de Sabre, Guoqi Cars (through collaborations)
Owner of company: @agj38
Forum thread: Henrican Motor Corporation
Country of origin: France
Company ID: #1894962
Name of Car Company: Avant Motor Company, Ltd
Owner of company: Mathew
Website or Forum thread: Avant Motor Co. Ltd
Country of origin: Japan
Established: January 21, 1990
Company ID: #1990 921
Name of Car Company: Nakamoto Motorcars LTD
Owner of company:Jantheman9999
Website or Forum thread: n/a (yet)
Country Of Origin: Japan
Established: 1923
Company ID:1923107
Name: TDF
Owner: @Restomod
Website/Thread: n/a
Country of origin: American-French-British
Associated brands: LaStar, Zika, V.F.D., M.A.D.
Company ID: #1902146
Name: Kubajzn Motor Company
Owner: ElectricBean
Website/Thread: https://bugatak1910.wixsite.com/kubajznmotorcompany (website) Kubajzn Motor Company Ltd. (thread)
Country of Origin: US
Associated Brands: Exiron, Verion, Cougar
Established in 1879
Company ID: #1876933
Name: Argento Automobilli Inc.
Owner: Garrett08
Website/Thread: N/A
Country of origin: Italy
Established: 1946
Company ID: 1946978
Name of Car Company: SEAB
Owner of company: Marcus_gt500
Website or Forum thread: SEAB - Sociedade de Engenharia Automobilística Brasileira
Established: April 24th, 1954
Company ID: #1954499
Name: Centurion/Meccanico di Pavona
Owner: agj38
Thread: Centurion Meccanico di Pavona
Country: Italy
Established: 1902
Company ID: 1902194
Name: Crest // HSM
Owner: matisse.msknt
Thread: Crest Automobiles // HSM "Automotive Exception"
Country: England
Established: 1934
Company ID: 1934251
Name of Car Company: Phompsonby Motor Vehicles LTD & Phompsonby Racing Group LTD
Owner of company: @Legodude494
Website or Forum thread: Phompsonby Motor Vehicles
Established: June 26th 1890 (first publicly available automobile announced 1901/released 1905 in the UK)
Company ID: 1890266
Name: Hinode Motors KK
Owner: @S_U_C_C_U_L_E_N_T
Thread: Hinode Motor Corporation (ヒノデ自動車株式会社)
Country: Japan
Established: 1926
Company ID: 1926690
Name of Car Company: Hakaru Automobiles
Owner of company: Executive
Website or Forum thread: Hakaru Automobiles Vehicle Display Gallery
Established: 1st July 2020
Company ID: 2020352
Name of Car Company: Hakumai Automobiles
Owner of company: @interior
Website or Forum thread: Hakumai Autos Incorporated
Established: 1972
Company ID: 1972681
Name of Car Company: Forea Motors
Owner of company: @vouge
Website or Forum thread: Available soon
Country: Japan
Established: 1938
Company ID: 1938975
Name: Astra Motors
Owner: @Emilius73
Forum thread: Coming soon
Country: USA
Established: 1994
ID: 1994658