- Estimates of Principal Characteristics (3-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Ernakulam District of Kerala {(NIC : 101, 102, 103, 104, 105, 106, 107, 108, 110, 131, 139, 141 and 143) (2019-2020)}
- Estimates of Principal Characteristics (3-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Ernakulam District of Kerala {(NIC : 231, 239, 241, 242, 243, 251, 259, 261, 263, 265, 266 and 267) (2019-2020)}
- Estimates of Principal Characteristics (3-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Ernakulam District of Kerala {(NIC : 271, 272, 273, 274, 275, 279, 281, 282, 292, 293, 301 and 310) (2019-2020)}
- Estimates of Principal Characteristics (3-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Ernakulam District of Kerala {(NIC : 310, 321, 322, 324, 325, 329, 331, 332 and 381) (2019-2020)}
- Estimates of Principal Characteristics (3-Digit Level Classification-NIC 2008) under Annual Survey of Industries in Ernakulam District of Kerala {(NIC : 151, 152, 161, 162, 170, 181, 191, 192, 201, 202, 210, 221 and 222) (2019-2020)}