| Trademark / Brand Name |
Class(es) |
| SI SARKAR'S RIM JIM +circle |
32 |
| SI SARVODAYA +sun |
16 |
| SI SARWESHWAR instruments |
9 |
| SI SATHAVAHANA ISPAT LIMITE |
6 |
| SI SATHYAM INTERIORS +lines |
42 |
| SI SAUBHAGYA INN +oval |
42 |
| SI SAVALIYA INDUSTRIES |
31 |
| SI SAVICO GROUP +square |
35, 36, 39 |
| SI SCANJET |
7, 9, 11, 13, 42 |
| SI SCIENCE INTEGRA |
38, 44 |
| SI SCIENCE INTEGRA +arcs |
35 |
| SI SCINNOVATION |
35 |
| SI SCIPO |
25 |
| SI SEARS +square |
28 |
| SI SEASON |
7 |
| SI SECURE +arcs & oval |
20 |
| SI SEE INDIA +triangle |
39 |
| SI SEED INVEST +square |
36 |
| SI SEEISH |
24, 25 |
| SI SENSORIUM +book & arcs |
41 |
| SI SENSORS india +square |
9 |
| SI SERIES +circles |
9 |
| SI SERNET at your service |
36 |
| SI SERVETTE |
21 |
| SI SERVICES INTERNATIONAL |
35, 41 |
| SI SETU +squares |
37 |
| SI SHAHPURI +square |
12 |
| SI SHAILESH lock +circle |
6 |
| SI SHAKTI |
28 |
| SI SHAMEER INDUSTRIES |
6 |
| SI SHANKAR |
31 |
| SI SHANKHESHWAR +drop & tic |
32 |
| SI SHANTA +circles |
7 |
| SI SHANTI INTERNATIONAL |
24 |
| SI SHARE INFOLINE.COM |
38 |
| SI SHARON |
9 |
| SI SHARP INSTRUMENTS +oval |
9 |
| SI SHIFA INTERNATIONAL |
39 |
| SI SHINE |
9, 12 |
| SI SHINING india +flower |
19 |
| SI SHIVA +oval |
16 |
| SI SHIVA INDUSTRIES +square |
20 |
| SI SHIVA INFRACONSTRO |
37 |
| SI SHIVA RUBBER INDUSTRIES |
35 |
| SI SHIVALIK INDUSTRIES |
6 |
| SI SHIVAM |
10 |
| SI SHIVAM +arrows & square |
35 |
| SI SHIVAM GANGA |
7 |
| SI SHIVAM INTERNATIONAL |
18 |
| SI SHIVAM international |
21 |
| SI SHIVANI IMITATIONS +oval |
14 |
| SI SHOKAR INSTITUTIONS |
41 |
| SI SHREEJI +cogwheel |
7 |
| SI SHREEJI INDUSTRIES |
7 |
| SI SHREEJI SINGH'S TANDOORS |
21 |
| SI SHREEYOG INFOTECH +globe |
42 |
| SI SHRIDHAN AUTOMATION |
9 |
| SI SHRUTI |
7 |
| SI SHUBHAM |
40 |
| SI SHUBHAM +cogwheel |
7 |
| SI SHUBHCOAL SHUBHLAXMI |
30 |
| SI SHYAM INSTITUTE +ovals |
41 |
| SI SICCA +arcs & squares |
7 |
| SI SIDAP INDIA +oval |
9 |
| SI SIERRA |
42 |
| SI SIFLIX +hexagon |
25 |
| SI SIFTING FACTS ESS EFF |
26 |
| SI SIGATE PERFECTION ACTION |
16 |
| SI SIGMA +square |
7 |
| SI SIGMA INSTRUMENTS +squar |
9 |
| SI SIGN-IN INTERIORS +hut |
37 |
| SI SILVEX IMAGES |
14 |
| SI SIM SIM +circle |
32 |
| SI SIMPLEX +square |
9, 41, 42 |
| SI SINDHUBHUMI FOUNDATION |
29 |
| SI SINDIA +oval |
28 |
| SI SINGLA INDUSTRIES +circl |
12 |
| SI SINHAL'S special |
30 |
| SI SINOCK +bat |
28 |
| SI SIPA +oval |
16 |
| SI SIPCON +arc & circle |
35 |
| SI SITAL +oval |
43 |
| SI SIYO LOGICS +squares |
12 |
| SI SKIN-IT THE SECOND SKIN |
25, 35 |
| SI SKIPPER |
7 |
| SI SKYLARK INDUSTRIES +bird |
6, 12 |
| SI SKYLARK INITIATIVES |
35 |
| SI SLATEX INDIA +square |
35 |
| SI SLATEX india +square |
19 |
| SI SMB INFRA +stripes |
37 |
| SI SMITH india +oval |
16 |
| SI SNOW WHITE |
21 |
| SI SOFTWARE IMPERIAL +arcs |
42 |
| SI SOHM ADD LIFE TO LIVES |
5 |
| SI SOL B |
1 |
| SI SOLITAIRE INTERNATIONAL |
35 |
| SI SOLOKRAFTS +cross |
10 |
| SI SOLOSUN +sun |
28 |
| SI SOLOSUN INTERNATIONAL |
28 |
| SI SOMA |
9 |