diff --git a/sky130/magic/sky130.tech b/sky130/magic/sky130.tech
index 679f234..225663a 100644
--- a/sky130/magic/sky130.tech
+++ b/sky130/magic/sky130.tech
@@ -308,6 +308,12 @@
  -comment res1p41
  -comment res2p85
  -comment res5p73
+# fixed bipolar area identifiers
+ -comment pnp0p68
+ -comment pnp3p40
+ -comment npn1p00
+ -comment npn2p00
+ -comment npn11p0
 
 end
 
@@ -524,6 +530,11 @@
   res1p41   implant1
   res2p85   implant1
   res5p73   implant1
+  pnp0p68   implant1
+  pnp3p40   implant1
+  npn1p00   implant1
+  npn2p00   implant1
+  npn11p0   implant1
 
   pdiode    pdiffusion     pselect2
   ndiode    ndiffusion     nselect2
@@ -5286,8 +5297,17 @@
 	*mvnndiff nwell error l=l w=w a1=as a2=ad p1=ps p2=pd
 
  # Bipolars
+ device msubcircuit sky130_fd_pr__npn_05v5_W1p00L1p00 npn *ndiff dnwell space/w \
+	error +npn1p00
+ device msubcircuit sky130_fd_pr__npn_05v5_W1p00L2p00 npn *ndiff dnwell space/w \
+	error +npn2p00
  device msubcircuit sky130_fd_pr__npn_05v5 npn *ndiff dnwell space/w error a2=area
- device msubcircuit sky130_fd_pr__pnp_05v5 pnp *pdiff pwell,space/w a2=area
+ device msubcircuit sky130_fd_pr__pnp_05v5_W0p68L0p68 pnp *pdiff \
+	pwell,space/w +pnp0p68
+ device msubcircuit sky130_fd_pr__pnp_05v5_W3p40L3p40 pnp *pdiff \
+	pwell,space/w +pnp3p40
+ device msubcircuit sky130_fd_pr__npn_11v0_W1p00L1p00 npn *mvndiff \
+	dnwell space/w error +npn11p0
  device msubcircuit sky130_fd_pr__npn_11v0 npn *mvndiff dnwell space/w error a2=area
 
  # Ignore the extended-drain FET geometry that forms part of the high-voltage
@@ -5462,8 +5482,13 @@
  device pdiode sky130_fd_pr__diode_pd2nw_05v5_hvt *pdiodehvt nwell a=area
  device pdiode sky130_fd_pr__diode_pd2nw_11v0 *mvpdiode nwell a=area
 
+ device bjt sky130_fd_pr__npn_05v5_W1p00L1p00 npn *ndiff dnwell space/w error +npn1p00
+ device bjt sky130_fd_pr__npn_05v5_W1p00L2p00 npn *ndiff dnwell space/w error +npn2p00
  device bjt sky130_fd_pr__npn_05v5 npn *ndiff dnwell space/w error a2=area
+ device bjt sky130_fd_pr__pnp_05v5_W0p68L0p68 pnp *pdiff pwell,space/w +pnp0p68
+ device bjt sky130_fd_pr__pnp_05v5_W3p40L3p40 pnp *pdiff pwell,space/w +pnp3p40
  device bjt sky130_fd_pr__pnp_05v5 pnp *pdiff pwell,space/w a2=area
+ device bjt sky130_fd_pr__npn_11v0_W1p00L1p00 npn *mvndiff dnwell space/w error +npn11p0
  device bjt sky130_fd_pr__npn_11v0 npn *mvndiff dnwell space/w error a2=area
 
 #ifdef MIM