diff --git a/package.json b/package.json
index 22ff98b..40b29cf 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.5.6",
+  "version": "0.5.7",
   "description": "Orion Protocol SDK",
   "main": "./lib/esm/index.js",
   "module": "./lib/esm/index.js",
diff --git a/src/OrionUnit/index.ts b/src/OrionUnit/index.ts
index 91b77b8..b917fe0 100644
--- a/src/OrionUnit/index.ts
+++ b/src/OrionUnit/index.ts
@@ -1,4 +1,5 @@
 import { ethers } from 'ethers';
+import getOrionUnitSiblings from '../getOrionUnitSiblings';
 import { OrionAggregator } from '../services/OrionAggregator';
 import OrionAnalytics from '../services/OrionAnalytics';
 import { OrionBlockchain } from '../services/OrionBlockchain';
@@ -47,4 +48,8 @@ export default class OrionUnit {
     this.exchange = new Exchange(this);
     this.farmingManager = new FarmingManager(this);
   }
+
+  get siblings() {
+    return getOrionUnitSiblings(this.chainId, this.env);
+  }
 }
diff --git a/src/crypt/signCancelOrderPersonal.ts b/src/crypt/signCancelOrderPersonal.ts
index 2f795e2..b06512f 100644
--- a/src/crypt/signCancelOrderPersonal.ts
+++ b/src/crypt/signCancelOrderPersonal.ts
@@ -2,7 +2,7 @@ import { ethers } from 'ethers';
 import { arrayify, joinSignature, splitSignature } from 'ethers/lib/utils';
 import { CancelOrderRequest } from '../types';
 
-export const signCancelOrderPersonal = async (
+const signCancelOrderPersonal = async (
   cancelOrderRequest: CancelOrderRequest,
   signer: ethers.Signer,
 ) => {
diff --git a/src/getOrionUnitSiblings.ts b/src/getOrionUnitSiblings.ts
new file mode 100644
index 0000000..4a749ab
--- /dev/null
+++ b/src/getOrionUnitSiblings.ts
@@ -0,0 +1,20 @@
+import initOrionUnit from './initOrionUnit';
+import { SupportedChainId } from './types';
+import { isValidChainId } from './utils';
+import { envs } from './config';
+
+export default function getOrionUnitSiblings(siblingChain: SupportedChainId, env: string) {
+  if (!(env in envs)) throw new Error(`Env '${env}' not found. Available environments is: ${Object.keys(envs).join(', ')}`);
+  const envInfo = envs[env];
+  const envNetworks = envInfo?.networks;
+
+  if (!(siblingChain in envNetworks)) {
+    throw new Error(`Chain '${siblingChain}' not found. `
+          + `Available chains in selected environment (${env}) is: ${Object.keys(envNetworks).join(', ')}`);
+  }
+  const siblingsNetworks = Object
+    .keys(envNetworks)
+    .filter(isValidChainId)
+    .filter((chainId) => chainId !== siblingChain);
+  return siblingsNetworks.map((chainId) => initOrionUnit(chainId, env));
+}
diff --git a/src/initOrionUnit.ts b/src/initOrionUnit.ts
index 16622d5..22adc6f 100644
--- a/src/initOrionUnit.ts
+++ b/src/initOrionUnit.ts
@@ -1,7 +1,6 @@
-import { config, OrionUnit } from '.';
+import OrionUnit from './OrionUnit';
 import { isValidChainId } from './utils';
-
-const { chains, envs } = config;
+import { chains, envs } from './config';
 
 export default function initOrionUnit(chain: string, env: string) {
   if (!isValidChainId(chain)) throw new Error(`Chain '${chain}' is not valid.`);
diff --git a/src/services/OrionAggregator/ws/index.ts b/src/services/OrionAggregator/ws/index.ts
index eba7f4f..424ddd6 100644
--- a/src/services/OrionAggregator/ws/index.ts
+++ b/src/services/OrionAggregator/ws/index.ts
@@ -10,8 +10,7 @@ import {
   assetPairsConfigSchema, addressUpdateSchema, swapInfoSchema,
 } from './schemas';
 import UnsubscriptionType from './UnsubscriptionType';
-import { SwapInfoByAmountIn, SwapInfoByAmountOut } from '../../..';
-import { SupportedChainId } from '../../../types';
+import { SwapInfoByAmountIn, SwapInfoByAmountOut, SupportedChainId } from '../../../types';
 // import errorSchema from './schemas/errorSchema';
 
 const UNSUBSCRIBE = 'u';
diff --git a/src/services/OrionBlockchain/index.ts b/src/services/OrionBlockchain/index.ts
index 11ea1a6..80398f9 100644
--- a/src/services/OrionBlockchain/index.ts
+++ b/src/services/OrionBlockchain/index.ts
@@ -9,7 +9,7 @@ import {
 import { OrionBlockchainSocketIO } from './ws';
 import redeemOrderSchema from '../OrionAggregator/schemas/redeemOrderSchema';
 import { sourceAtomicHistorySchema, targetAtomicHistorySchema } from './schemas/atomicHistorySchema';
-import { utils } from '../..';
+import { makePartial } from '../../utils';
 
 interface IAdminAuthHeaders {
   auth: string;
@@ -115,11 +115,11 @@ class OrionBlockchain {
   }
 
   getPrices() {
-    return fetchWithValidation(`https://${this.apiUrl}/api/prices`, z.record(z.string()).transform(utils.makePartial));
+    return fetchWithValidation(`https://${this.apiUrl}/api/prices`, z.record(z.string()).transform(makePartial));
   }
 
   getTokensFee() {
-    return fetchWithValidation(`https://${this.apiUrl}/api/tokensFee`, z.record(z.string()).transform(utils.makePartial));
+    return fetchWithValidation(`https://${this.apiUrl}/api/tokensFee`, z.record(z.string()).transform(makePartial));
   }
 
   getGasPriceWei() {
@@ -295,7 +295,7 @@ class OrionBlockchain {
   checkIfHashUsed(secretHashes: string[]) {
     return fetchWithValidation(
       `https://${this.apiUrl}/api/atomic/is-hash-used`,
-      z.record(z.boolean()).transform(utils.makePartial),
+      z.record(z.boolean()).transform(makePartial),
       {
         headers: {
           'Content-Type': 'application/json',