NEB provides the following guide to ordering NEB competent cells by aligning our strains with the names of their counterparts from other suppliers.
| BL21(DE3)-T1R | Sigma | B2935 | 10 x 0.05ml | BL21(DE3) Competent E. coli | C2527H | 20 x 0.05ml |
| BL21(DE3)pLysS-T1R | Sigma | B3310 | 10 x 0.05ml | T7 Express lysY Competent E. coli (High Efficiency) | C3010H | 20 x 0.05ml |
| ElectroMAX™ DH10B™ T1 Phage-Resistant Competent Cells | Invitrogen | 12033015 | 5 x 0.1ml | NEB 10-beta Electrocompetent E. coli | C3020K | 6 x 0.1ml |
| ElectroMAX™ DH5α-E™ Cells* | Invitrogen | 11319019 | 5 x 0.1ml | NEB 5-alpha Electrocompetent E. coli | C2989K | 6 x 0.1ml |
| MAX Efficiency® DH10B™ Competent Cells* | Invitrogen | 18297010 | 5 x 0.2ml | NEB 10-beta Competent E. coli (High Efficiency) | C3019I | 6 x 0.2ml |
| One Shot® MAX Efficiency™ DH10B™ T1 Phage Resistant Cells | Invitrogen | 12331013 | 20 x 0.05ml | NEB 10-beta Competent E. coli (High Efficiency) | C3019H | 20 x 0.05ml |
| One Shot® MAX Efficiency® DH5α™-T1R Competent Cells | Invitrogen | 12297016 | 20 x 0.05ml | NEB 5-alpha Competent E. coli (High Efficiency) | C2987H | 20 x 0.05ml |
| MAX Efficiency® DH5α™ T1 Phage-Resistant Competent Cells | Invitrogen | 12034013 | 1ml | NEB 5-alpha Competent E. coli (High Efficiency) | C2987I | 6 x 0.2ml |
| Subcloning Efficiency™ DH5α™ Competent Cells* | Invitrogen | 18265017 | 4 x 0.05ml | NEB 5-alpha Competent E. coli (Subcloning Efficiency) | C2988J | 6 x 0.4ml |
| MAX Efficiency® DH5αF´IQ™ Competent Cells* | Invitrogen | 18288019 | 5 x 0.2ml | NEB 5-alpha F´Iq Competent E. coli (High Efficiency) | C2992I | 6 x 0.2ml |
| One Shot® Mach1™ T1 Phage-Resistant Chemically Competent E. coli | Invitrogen | C862003 | 20 x 0.05ml | NEB Turbo Competent E. coli (High Efficiency) | C2984H | 20 x 0.05ml |
| BL21-AI™ One Shot® Chemically Competent E. coli | Invitrogen | C607003 | 20 x 0.05ml | Lemo21(DE3) Competent E. coli | C2528H | 6 x 0.05ml |
| One Shot® BL21(DE3) Chemically Competent E. coli | Invitrogen | C600003 | 20 x 0.05ml | BL21(DE3) Competent E. coli | C2527H | 20 x 0.05ml |
| One Shot® BL21(DE3)pLysS Chemically Competent E. coli | Invitrogen | C606003 | 20 x 0.05ml | T7 Express lysY Competent E. coli (High Efficiency) | C3010H | 20 x 0.05ml |
| One Shot® BL21(DE3)pLysS Chemically Competent E. coli | Invitrogen | C606010 | 10 x 0.05ml | T7 Express lysY Competent E. coli (High Efficiency) | C3010H | 20 x 0.05ml |
| Veggie™ BL21(DE3)pLysS Singles™ Competent Cells | EMD4Biosciences | 71253-4 | 22 reactions | T7 Express lysY Competent E. coli (High Efficiency) | C3010H | 20 x 0.05ml |
| Veggie™ BL21(DE3) Singles™ Competent Cells | EMD4Biosciences | 71252-4 | 22 reactions | BL21(DE3) Competent E. coli | C2527H | 20 x 0.05ml |
| Origami™ B Competent Cells | EMD4Biosciences | 70836-3 | 0.4ml | SHuffle® Express Competent E. coli | C3028H | 6 x 0.05ml |
| Origami™ B(DE3) Competent Cells | EMD4Biosciences | 70837-3 | 0.4ml | SHuffle® T7 Express Competent E. coli | C3029H | 6 x 0.05ml |
| Origami™ B(DE3)pLysS Competent Cells | EMD4Biosciences | 70839-3 | 0.4ml | SHuffle® T7 Express lysY Competent E. coli | C3030H | 6 x 0.05ml |
| Origami™ 2 Competent Cells | EMD4Biosciences | 71344 | 0.4ml | SHuffle® Competent E. coli | C3025H | 6 x 0.05ml |
| Origami™ 2(DE3) Competent Cells | EMD4Biosciences | 71345-3 | 0.4ml | SHuffle® T7 Competent E. coli | C3026H | 6 x 0.05ml |
| Origami™ 2(DE3)pLysS Competent Cells | EMD4Biosciences | 71346-4 | 1ml | SHuffle® T7 lysY Competent E.coli | C3027H | 6 x 0.05ml |
| Origami™ 2(DE3) Singles™ Competent Cells | EMD4Biosciences | 71408-3 | 11 reactions | SHuffle® T7 Competent E. coli | C3026H | 6 x 0.05ml |
| Origami™ 2 Competent Cell Set | EMD4Biosciences | 71431-3 | 1 set | SHuffle® Sampler Pack | C3032I | 1 set |
| Origami™ B Competent Cell Set | EMD4Biosciences | 70911-3 | 1 set | SHuffle® Sampler Pack | C3032I | 1 set |
| B834(DE3) Competent Cells | EMD4Biosciences | 69041-4 | 1ml | T7 Express Crystal Competent E. coli (High Efficiency) | C3022H | 20 x 0.05ml |
| BL21(DE3) Competent Cells | EMD4Biosciences | 69450-4 | 1ml | BL21(DE3) Competent E. coli | C2527H | 20 x 0.05ml |
| BL21(DE3)pLysS Competent Cells | EMD4Biosciences | 69451-4 | 1ml | T7 Express lysY Competent E. coli (High Efficiency) | C3010H | 20 x 0.05ml |
| E. cloni 5-alpha Chemically Competent Cells† | Lucigen | 60602-2 | 12 x 0.1ml | NEB 5-alpha Competent E. coli (High Efficiency) | C2987H | 20 x 0.05ml |
| E. cloni 10G BAC-Optimized Electrocompetent | Lucigen | 60215-1 | 10 reactions | NEB 10-beta Electrocompetent E. coli | C3020K | 6 x 0.1ml |
| E. cloni 10G CLASSIC Electrocompetent | Lucigen | 60117-1 | 24 reactions | NEB 10-beta Electrocompetent E. coli | C3020K | 6 x 0.1ml |
| E. cloni 10G ELITE Electrocompetent | Lucigen | 60052-1 | 12 reactions | NEB 10-beta Electrocompetent E. coli | C3020K | 6 x 0.1ml |
| E. cloni 10G SUPREME Electrocompetent | Lucigen | 60080-1 | 12 reactions | NEB 10-beta Electrocompetent E. coli | C3020K | 6 x 0.1ml |
| E. cloni 10G Chemically Competent | Lucigen | 60106-2 | 24 reactions | NEB 10-beta Competent E. coli (High Efficiency) | C3019H | 20 x 0.05ml |
| E. cloni EXPRESS BL21(DE3) Chemically Competent | Lucigen | 60401-2 | 24 reactions | BL21(DE3) Competent E. coli | C2527H | 20 x 0.05ml |
| OverExpress C41 Chemically Competent | Lucigen | 60442-1 | 12 reactions | Lemo21(DE3) Competent E. coli | C2528H | 6 x 0.05ml |
| OverExpress C43 Chemically Competent | Lucigen | 60446-1 | 12 reactions | Lemo21(DE3) Competent E. coli | C2528H | 6 x 0.05ml |
| Alpha-Select Bacteriophage T1-Resistant Gold Efficiency | Bioline | BIO-85030 | 20 x 0.05ml | NEB 5-alpha Competent E. coli (High Efficiency) | C2987H | 20 x 0.05ml |
| Alpha-Select Bronze Efficiency†† | Bioline | BIO-85025 | 10 x 0.2ml | NEB 5-alpha Competent E. coli (Subcloning Efficiency) | C2988J | 6 x 0.4ml |
| Alpha-Select Electrocompetent††† | Bioline | BIO-85028 | 10 x 0.1ml | NEB 5-alpha Electrocompetent E. coli | C2989K | 6 x 0.1ml |
| BIOBlue 10^9 Chemically Competent Cells* | Bioline | BIO-85037 | 20 x 0.05ml | NEB 5-alpha F´Iq Competent E. coli (High Efficiency) | C2992H | 20 x 0.05ml |
| CH3-Blue 10^9 Chemically Competent Cells* | Bioline | BIO-85040 | 20 x 0.05ml | NEB 10-beta Competent E. coli (High Efficiency) | C3019H | 20 x 0.05ml |
| dam- dcm- Bacteriophage T1-Resistant | Bioline | BIO-85044 | 10 x 0.1ml | dam-/dcm- Competent E. coli | C2925H | 20 x 0.05ml |