Printre clienţii care au beneficiat de calitatea echipamentelor şi serviciilor oferite de PRATCO S.R.L. se numără şi următoarele firme, lista acestora fiind mult mai mare:

Automatizări puncte termice:
R.A. ELAST Rm. Sărat, R.A. SAGO Turnu Măgurele, R.A.D.P. Galaţi, R.A.G.C. Galaţi, R.A.G.C.L. Oradea, RADET Bucureşti (cu conducere prin radio de la dispecer), Termo R. A. Braşov etc.

Automatizări centrale termice:
Ateneul Român Bucureşti, ENERGOMONTAJ Bucureşti, Hotel Holiday Inn Sinaia, Hotel Parc Bucureşti, Hotel Sky Gate Otopeni, R.A. TERMO Braşov, ROMAIRPORT SC arl etc.

Echipamente automatizare termoventilaţie - climă:
Ambasada Chinei la Bucureşti, ASIROM, Ateneul Român, B.C.R. Sector 4 Bucureşti, B.R.D. Sinaia, Bucharest Financial Plazza, Casino Est, CAST S.A. Bucureşti, City Bank, COMPA S.A. Sibiu, CONDAIR Bucureşti, Energico Bucureşti, Exponent Construct, FEXIK AUTOMATION S.R.L. Timişoara, Hotel Carmen Predeal, Hotel Helvetica Bucureşti, Hotel Hilton – Athenée Palace Bucureşti, Hotel Sky Gate Otopeni, Hotel Holiday Inn Sinaia, Hotel Modern Bucureşti, Hotel Parc Bucureşti, Hotel Prezident Mangalia, Hotel SNG Galaţi, Hotel Tirol Poiana Braşov, ICMA Bucureşti, IMSAT S.A. Rm. Vâlcea, METACC, PROMOTERM Bucureşti, R.A. ELAST Rm. Sărat, ROMTELECOM – Vaţa Băi, Spitalul Cantacuzino, STIMEL Timişoara, Termoficare Cluj, TERMOROM Cluj, Vama Bacău etc.

Elemente conectică, relee, aparataj electric, tablouri electrice, automatizări:
AAGES S.R.L. Tg. Mureş, Aerostar S.A. Bacău, Argus S.A. Constanţa, Automatica S.A. Bucureşti, Automobile Dacia Piteşti, B.C.R. Braşov, B.R.D. Sinaia, CNE Prod - Centrala Electrică Nucleară Cernavodă, Electroalfa S.A Botoşani, Electrotehnica S.A. Bucureşti, Electroutilaj S.A. Câmpina, ELIND S.A. Brăila, Elsaco Electronics S.A. Botoşani, Energomontaj IEA S.A., Energotehnica S.A. Sibiu, FEA S.A. Bucureşti, Festo S.R.L. Sibiu, Hotel Carmen Predeal, Hotel Holiday Inn Sinaia, Hotel Parc Bucureşti, Hotel Tirol Poiana Braşov, ICPE Actel S.A. Bucureşti, ICPE SAERP S.A. Bucureşti, Indagrara Arad, IPA S.A. Bucureşti, IRMES Sibiu, Metrorex S.A. Bucureşti, Mico Electro S.R.L. Bucureşti, Multimas S.A. Tg. Mureş, RENEL, ROMTELECOM – Vaţa Băi, Sediul LOTO Bucureşti, SMART S.A. Iaşi, SMART S.A. Sibiu, SRA IFMA S.A., Telecomm, VTC Electronics, Zentiva S.A. etc.

Schimbătoare de căldură cu plăci, arzătoare, cazane, sisteme expansiune, contoare:
Agribac S.A. Bacău, Almera Int S.R.L. Bucureşti, American Technology Group S.R.L. Bucureşti, Argus S.A. Constanţa, Colgate Palmolive - Fabrica din Bucureşti, Complex Hotel Parc-Turist Bucureşti, Componente Auto S.A. Topoloveni, Confort S.R.L. Bucureşti, Crişul Oradea, Cyclon Tech Brăila, Energi-Co Bucureşti, Federaţia Română de Rugby Bucureşti, Frani S.R.L. Constanţa, Histria Shipmanagement S.R.L. Constanţa, Hit Rom Bucureşti, Hotel Parc Bucureşti, Hotel Tirol Braşov, ITM Amiro S.A. Bucureşti, KASS Company Piteşti, LPV Consult S.A. Bucureşti, LUBRIFIN S.A. Braşov, Master S.A. Bucureşti, Omicron Expert S.R.L. Bucureşti, Paco Internaţional S.R.L. Brăila, Pepsi Sitaco Bucureşti, PIM S.A. Sibiu, Probal S.A. Baloteşti, R.A.G.C. Galaţi, ROLAC S.A. Piatra Neamţ, ROMNAV S.A. Brăila, ROMTELECOM – Vaţa Băi, Sandra Lact S.A., Sinpress S.R.L. Sibiu, Stratusmob S.A. Blaj, Timex BG S.R.L. Oradea, Touax Rom Constanţa, Tungal S.A. Bucureşti, Universitatea din Piteşti etc.