| Enterprise name | Certificate type |
| "HTL" Spółka z o.o.
Warszawa | certificate ISO 9001:2000
and EN46001+certification of CE mark |
"PZ HTL" S.A.
Warszawa
http://www.htl.com.pl/ | certificate ISO 9001:2000 |
| "JURIMP" s.c.
Lublin | certificate ISO 9002 |
| "UNIMIL" S.A.
Kraków | certificate ISO9001
and EN46001+certification of CE mark |
| "Auto - Hit" Spółka z o.
o.
Tychy | certificate ISO 9002 |
"TRICOMED" Łódź
http://www.tricomed.com/ | certificate ISO 9001:2000 |
"TELMARK" Usługi telekomunik.
Ostrowiec świętokrzyski | certificate ISO 9001:2000 |
P.I.P "INKOM" Bełchatów
http://www.inkom-belchatow.com.pl/ | certificate ISO 9001:2000 |
"Adrog" Sp.j Warszawa Usługi brukarskie
http://www.adrog.com/ | certificate ISO 9001:2000 |
"Bitupol" Sp.
z.o.o Warszawa
http://www.bitupol.com.pl/ | certificate ISO 9001:2000 |
"Z.U.B i P Margot" Warszawa
http://www.z-margot.pl/ | certificate ISO 9001:2000 |
| "Eltraf" Warszawa | certificate ISO 9001:2000 |
"ARKOM" Jarosław Sotomski Henryków Urocze
http://www.arkom.com.pl/ | certificate ISO 9001:2000 |
"PC THERM" Warszawa
http://www.pctherm.com.pl/ | certificate ISO 9001:2000 |
"Profil BNU" Warszawa
http://www.profil-bnu.pl/ | certificate ISO 9001:2000 |
"Kwiat" Syst.
Ociepleń Sp.
z.o.o Warszawa
http://www.kwiat.com.pl/ | certificate ISO 9001:2000 |
"DZ-77" Zbigniew Dłużewski Warszawa
http://www.dz-77.com.pl/ | certificate ISO 9001:2000 |
"Agrex-Arcon" Sp.
z.o.o Warszawa
http://www.agrex-arcon.pl/ | certificate ISO 9001:2000 |
"Bodo Zwicker" Polska Sp.
z.o.o Wołomin
http://www.bodo-zwicker.pl/ | certificate ISO 9001:2000 |
| "Delta" S.A.
Warszawa | certificate ISO 9001:2000 |
"Drogbud" Łuków
http://www.drogbud.com.pl/ | certificate ISO 9001:2000 |
| "Fedro" Sp.
z.o.o Osieck | certificate ISO 9001:2000 |
"Międzynarodowe i Krajowe Przewozy Transportem Drogowym"
Przedst.
Robert Stępień
Dąbrówka Warszawska | certificate ISO 9001:2000 |
| "Transkop" Sp.
z.o.o Warszawa | certificate ISO 9001:2000 |
| "P.B.
Wid-Bas" Konstancin Jeziorna | certificate ISO 9001:2000 |
| "P.I.S.
Instal" Sokołów Podlaski | certificate ISO 9001:2000 |
"Elzambud" Sp.
z o.
o.
Elbląg
http://www.elzambud.com.pl/ | certificate ISO 9001:2000 and AQAP 2110 |
| "P.I.B.
Drotech" Mińsk Mazowiecki | certificate ISO 9001:2000 |
| "ZROD Michalina Sawicka" Kobyłka | certificate ISO 9001:2000 |
| "F.H.U.
TAMEX" Łuków | certificate ISO 9001:2000 |
| "NOWBUD Sp.J.
J.
Nowak,
A.
Nowak" Łuków | certificate ISO 9001:2000 |
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